10 best master lock key set 3661 for 2022

All in all, we spent hundreds of hours combing through thousands of user reviews to put together a comprehensive list of the best master lock key set 3661 on the market. We then delved into these master lock key set 3661 further and put together detailed reviews so that you can easily pick the best master lock key set 3661 for your needs.

Best master lock key set 3661

Product Features Editor's score Go to site
Master Lock 5400EC Lock Box, 5 Key Capacity, Black Master Lock 5400EC Lock Box, 5 Key Capacity, Black
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Master Lock 178D Set Your Own Combination Lock, Die-Cast, Standard, 1 Pack, Black Master Lock 178D Set Your Own Combination Lock, Die-Cast, Standard, 1 Pack, Black
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Master Lock 3TRILF Outdoor Padlock with Key, 3 Pack Keyed-Alike Master Lock 3TRILF Outdoor Padlock with Key, 3 Pack Keyed-Alike
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Master Lock M176XDLH Magnum Heavy Duty Set Your Own Combination Lock Master Lock M176XDLH Magnum Heavy Duty Set Your Own Combination Lock
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Master Lock 141DLF Covered Aluminum Padlock with Key, Black Master Lock 141DLF Covered Aluminum Padlock with Key, Black
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Master Lock 141D Covered Aluminum Keyed Padlock, 1 Pack, Black Master Lock 141D Covered Aluminum Keyed Padlock, 1 Pack, Black
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Master Lock 131Q Covered Aluminum Padlock with Key, Black, 4 Pack Master Lock 131Q Covered Aluminum Padlock with Key, Black, 4 Pack
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Master Lock 646T Set Your Own Combination Luggage Lock, 2 Pack, Black Master Lock 646T Set Your Own Combination Luggage Lock, 2 Pack, Black
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Master Lock 1530DCM Locker Lock Combination Padlock, 1 Pack, Colors May Vary Master Lock 1530DCM Locker Lock Combination Padlock, 1 Pack, Colors May Vary
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Master Lock 1TRILJ Outdoor Padlock with Key, 3 Pack Keyed-Alike Master Lock 1TRILJ Outdoor Padlock with Key, 3 Pack Keyed-Alike
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1. Master Lock 5400EC Lock Box, 5 Key Capacity, Black

Feature

Large capacity key lock box enables secure storage of up to five keys; fits most ball, biscuit, and tulip door knob styles
Set your own four-digit combination lock box; reset the combination for thousands of personalized combination code options
For indoor and outdoor use; key safe is constructed with a metal body for durability, vinyl coated shackle to prevent scratching, and shutter door to protect combination dials from weather
Exterior dimensions: 4 in. (10.2 cm) H x 3-1/4 in. (8.3 cm) W x 1-3/4 in. (4.4 cm) D; 13/32 in. (10 mm) diameter shackle with 1-13/32 in. (36 mm) L, 1-7/8 in. (48 mm) W
Interior dimensions: 3-1/2 in. (8.9 cm) H x 2-3/4 in. (7 cm) W x 1-3/16 in. (3.0 cm) D; capacity for 5 standard keys

Description

Master Lock 5400D Set Your Own Combination Portable Lock Box, 5 Key Capacity, Black

2. Master Lock 178D Set Your Own Combination Lock, Die-Cast, Standard, 1 Pack, Black

Feature

Indoor and outdoor padlock is best used as a school locker lock, gym lock, and gate lock, providing protection and security from theft
Set your own four-digit combination lock for easy combination recall; combination change tool included
Combo lock is constructed with a solid body for strength and weatherability, hardened steel shackle for cut resistance
2 in. (51Mm) wide lock body; 5/16 in. (8 mm) diameter shackle with 1 in. (25 mm) length, 1 in. (25 mm) width
Note: shackle is preset to open on 0-0-0-0. Some instructions may incorrectly state shackle opens on l-o-c-k. See user manual in technical specifications section of this page for correct combination reset instructions.

Description

The Master Lock 178D Set your own combination padlock features a 2in (51mm) wide solid body for strength and reliability. The 5/16in (8mm) diameter shackle is 1in (25mm) long and made of hardened steel, offering extra resistance to cutting and sawing. The 4-digit dialing allows for thousands of possible numeric combinations. The limited lifetime warranty provides peace of mind from a brand you can trust.

3. Master Lock 3TRILF Outdoor Padlock with Key, 3 Pack Keyed-Alike

Feature

PADLOCK APPLICATION: For indoor and outdoor use; Padlock is best used for residential gates & fences, sheds, workshops & garages, storage lockers, tool boxes and more
DURABLE DESIGN: Lock includes laminated steel construction and a hardened steel shackle for strength and security.
STRONG SECURITY: 4-pin cylinder and dual locking lever mechanism provides pick and pry resistance
SPECIFICATIONS: 1-9/16 in. wide lock body; 9/32 in. diameter shackle with 1-1/2 in. length, 5/8 in. width; extended shackle length for application flexibility
INCLUDES: Three padlocks, two keys; both keys open all three locks

Description

The Master Lock No. 3TRILF Laminated Padlock features a 1-9/16in (40mm) wide laminated steel body for maximum strength and reliability. The 9/32in (7mm) diameter shackle is 1-1/2in (38mm) long and made of hardened steel, offering extra resistance to cutting and sawing. The 4-pin cylinder prevents picking and the dual locking levers provide resistance against prying and hammering. The Limited Lifetime Warranty provides peace of mind from a brand you can trust.

4. Master Lock M176XDLH Magnum Heavy Duty Set Your Own Combination Lock

Feature

For indoor and outdoor use; Lock is best used for residential gates & fences, sheds, workshops & garages, storage lockers, tool boxes and more
Lock features a zinc die-cast body with reinforced body bumper for strength and reliability; covered dials for superior weather protection; Back-up key included for operation without the combination
Roller pin cylinder provides maximum pick and pry resistance; Tough-Cut octagonal boron-carbide shackle is 50% harder than hardened steel
2 in. wide lock body; 3/8 in. diameter shackle with 2 in. length, 15/16 in. width; extended shackle for application flexibility
One padlock; convenient back-up key, use a combination or a key

5. Master Lock 141DLF Covered Aluminum Padlock with Key, Black

Feature

Indoor and outdoor padlock with key is best used as a shed lock, gate lock, and storage locker lock, providing protection and security from theft
Key lock is constructed with a black vinyl-covered aluminum body for scratch and corrosion resistance, hardened steel shackle for cut resistance
Four-pin cylinder and dual locking lever mechanism for pick and pry resistance
1-9/16 in. (40 mm) wide lock body; 1/4 in. (6 mm) diameter shackle with 1-1/2 in. (38 mm) length, 13/16 in. (21 mm) width for application flexibility
Includes one padlock, two keys (matching color key head for added convenience)

6. Master Lock 141D Covered Aluminum Keyed Padlock, 1 Pack, Black

Feature

Indoor and outdoor lock is best used as a gym locker lock providing general security and protection from theft
Key lock is constructed with a black vinyl-covered aluminum body for scratch and corrosion resistance, hardened steel shackle for cut resistance
Four-pin cylinder and dual locking lever mechanism for pick and pry resistance
1-9/16 inch (40 millimeter) wide lock body; 1/4 inch (6 millimeter) diameter shackle with 7/8 inch (22 millimeter) length, 13/16 inch (21 millimeter) width
One padlock, two keys (matching color key head for added convenience)

7. Master Lock 131Q Covered Aluminum Padlock with Key, Black, 4 Pack

Feature

Indoor and outdoor padlock with key is best used as a locker lock and storage lock
Key lock is constructed with a black vinyl-covered aluminum body for scratch and corrosion resistance and steel shackle for durability
Four-pin cylinder and dual locking lever mechanism for pick and pry resistance
1-3/16 inch (30 millimeter) wide lock body; 3/16 inch (30 millimeter) diameter shackle with 5/8 inch (16 millimeter) length, 9/16 inch (14 millimeter) width
Includes four keyed alike padlocks, two keys; Both keys open each lock (matching color key head for added convenience)

8. Master Lock 646T Set Your Own Combination Luggage Lock, 2 Pack, Black

Feature

Luggage lock is best used as a luggage lock or backpack lock
Set your own three-digit combination luggage lock for keyless convenience
Small combination lock is constructed with a solid metal body, black finish, and steel shackle
13/16 inch (21 millimeter) wide lock body; 1/8 inch (3 millimeter) diameter shackle with 11/16 inch (17 millimeter) length, 3/8 inch (10 millimeter) width
Two small set your own combination luggage locks

9. Master Lock 1530DCM Locker Lock Combination Padlock, 1 Pack, Colors May Vary

Feature

Indoor padlock is best used as a school locker lock and gym lock, providing protection and security from theft
Preset three-digit combination lock for keyless convenience
Combo lock is constructed with a metal body, anodized aluminum cover, hardened steel shackle, and anti-shim locking mechanism for strength and security
1-7/8 in. (48 mm) wide lock body; 9/32 in. (7 mm) diameter shackle with 3/4 in. (19 mm) length, 13/16 in. (21 mm) width
Available in blue, red, and purple (color randomly selected at time of shipment)

10. Master Lock 1TRILJ Outdoor Padlock with Key, 3 Pack Keyed-Alike

Feature

Indoor and outdoor lock; Padlock with key is best used for residential gates & fences, sheds, workshops & garages, tool boxes and more
Key lock features a laminated steel body and a hardened steel shackle for strength and security
4-Pin cylinder for added pick resistance and dual ball bearing locking for maximum pry resistance
1-3/4 in. (44 mm) wide lock body; 5/16 in. (8 mm) diameter shackle with 2-1/2 in. (64 mm) length, 3/4 in. (19 mm) width; Extended shackle length for application flexibility
Includes three padlocks with two keys; Both keys open all three locks

Conclusion

By our suggestions above, we hope that you can found the best master lock key set 3661 for you. Please don't forget to share your experience by comment in this post. Thank you!

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