The Best Heavy-duty Combination Locks of 2023

Tsa travel sentry approved bag lock with resettable 3-dial combination

Pop-up indicator - this function notifies you whenever a tsa agent has opened your bag. The red indicator is clearly visible after inspection, so you can inspect your contents.

3-dial combination lock - dial numbers move smoothly and are easy to read. No need to fumble with keys or remember where you placed them. 

70mm heavy-duty coated steel cable threads easily through zipper pulls

3x1.5x1

SAFETY DESIGN - No longer become the target of thieves!Heavy duty combination disc padlock is protected from threats of bolts cutters and other intrusive tools because of its unique shape and design. The design allows this discus padlock to be protected while easily fitting on most applications. The slide button will not fall off as easily as other locks, safe enough to protect your thumb from being scratched while sliding it open or closed.

WATERPROOF & RUSTPROOF - This high security combination padlock is constructed with s304 stainless steel which is anti-rust, anti-corrosion and anti-freeze. Operate smoothly and these numbers don't get stuck whether in bad weather, cold weather, or when it rains.

MULTIPLE USE - For indoor and outdoor use. Lock is great for storage units, fence, garages, sheds, trailers, moving trucks and more.

EASILY TO SET COMBINATION - According to our instructions, you can set a new combination within 15 seconds.The 4 digit combination padlock offers 10,000 codes which make it much more security than the 3 digit lock.

AFTER-SALES GUARANTEE - If you have any problem with broken or damaged items you purchased, please do not hesitate to contact us with your order ID. We will reply and address your issue within one day, so please purchase with confidence.

Heavy duty outdoor lock is best used as a gate lock, shed lock, and storage lock, providing better protection and security from theft

Set your own 4 digit combination lock for easy combination recall, no combination change tool required

Padlock is constructed with a solid body for strength, sealed shackle for better weather resistance, and a hardened steel shackle for better cut resistance

2 inches (51 millimetre) wide lock body, 5/16 inches (8 millimetre) diameter shackle with 1 inches (38 millimetre) length, 1 inches (25millimetre) width

Lock is preset to open at 0-0-0-0

【Excellent Design】Convenient and keyless design, bottom window for easy set your own padlock.The lock shackle has a clasp design that provides higher security. Heavy duty combination lock's manufacturing technique is integrally molded for adding more security which compares with assembled light duty lock.

【High Security】Heavy duty type is more stronger than light duty, 4-pin cylindrical and double locking mechanism provides block and block resistance, which reduce the possibility of hammering or prying to open. The 4 digit dialing allows for thousands of possible numeric combinations.

【Sturdy & Durable Material】 Heavy duty combination lock is constructed with a solid body for strength and weatherability, 8 mm diamter hardened and plated steel shackle offers extra resistance to cutting and sawing.

【Widely Use】Extra long shackle for application flexibility, heavy duty combination lock is suitable for school locker, gym locker, fence, toolbox, gate, shed and etc. The premium material makes it suitable for indoor and outdoor.

【Lifetime Warranty】 Your satisfaction is the value of Disecu existence! Any unsatisfactory purchase of this heavy duty combination lock, contact us at anytime, we can resend you free replacement or refund you the full payment.

Heavy duty outdoor lock; Maximum security combination lock is best used as a gate lock, shed lock, or storage lock

Set your own four digit combination lock for easy combination recall; No combination change tool required

Padlock is constructed with a zinc body and reinforced body bumper for strength and reliability; Shackle seal and covered dials for superior weather protection; One directional dial feature for low light applications

Tough-Cut octagonal boron-carbide shackle is 50% harder than hardened steel; Roller pin cylinder provides maximum pick and pry resistance

2-1/4 inch (57 millimeter) wide lock body; 3/8 inch (10 millimeter) diameter shackle with 1-1/2 inch (38 millimeter) length, 15/16 inch (24 millimeter) width; Extended shackle for application flexibility

Why Amazer U lock can keep your bike safe? Amazer U lock is made of 12mm hardened performance steel shackle and covered by a 3.85mm PVC coating(Total lock's thickness is almost 16mm). So it can resist cutting and leverage attacks. The PVC lining on the "U" prevents it from scratching bike paint job.

Keyless & easy to set combination: Choose Amazer U lock, no more lost keys! 4-digit set your own combination convenience allows for thousands of possible combinations. Prevent thieves use universal key to unlock your lock.

Dust cover: The combination is covered by a dust cover to protects and extends cylinder life.

Heavy duty lock offer your bike more safety: The lock's net weight is 1.817 lbs(0.824 kg). The shackle is made of steel, the cylinder is steel and made of solid zinc alloy. Whole lock is covered by quality PC material for good looking and keep your bike from scratching.

Lock size: 8.96 Inches(length) x 5.74 Inches(width) x 0.624 Inches(thickness) - Please note: Manual measurement for reference only.

▶HIGH SECURITY: 4 digit combo lock offers 10,000 combinations which make it safe enough. Equipped with an advanced damper design for accurate setting of your code. No random code set.

▶EASY TO USE: A clear Instruction are included in the package. Make it easy to set and reset your own combination. Compact size, light weight. No more fiddly keys.

▶DURABLE PADLOCK: This padlock is constructed with a high strength zinc alloy body, stainless-steel cover and hardened steel shackle, which make it more strength and security,cut resistance, anti rust and weather proof.

▶WIDELY USE: AIHYTU resettable combination lock is perfect for both indoor and outdoor use. Great for gym locker, school locker, backyard, fence gate, toolbox, hasp locker, employee locker, sports locker, cabinet, garage, shed and container etc.

▶What You Get: 2 pack combination padlocks, a clear Instruction, 60 Days Money Back Guarantee, Fast and easy-to-reach Customer Service.

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 inch (51 millimeter) wide lock body; 5/16 inch (8 millimeter) diameter shackle with 1 inch (25 millimeter) length, 1 inch (25 millimeter) width

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.

【Excellent Design】Convenient and keyless design, bottom window for setting your own padlock easily. The lock shackle has a clasp design that provides higher security. Heavy duty combination lock's manufacturing technique is integrally molded for adding more security which compares with assembled light duty lock.

【High Security】Heavy duty type is more stronger than light duty, 4-pin cylindrical and double locking mechanism provides block and block resistance, which reduce the possibility of hammering or prying to open. The 4 digit dialing allows for thousands of possible numeric combinations.

【Sturdy & Durable Material】 Heavy duty combination lock is constructed with a solid body for strength and weatherability, 8 mm diamter hardened and plated steel shackle offers extra resistance to cutting and sawing.

【Widely Use】Extra long shackle for application flexibility, heavy duty combination lock is suitable for school locker, gym locker, fence, toolbox, gate, shed and etc. The premium material makes it suitable for indoor and outdoor.

【Life Time Warranty】 Your satisfaction is the value of Disecu existence! Any unsatisfactory purchase of this heavy duty combination lock, contact us at anytime, we can resend you free replacement or refund you the full payment. Join us, and experience effective security control at the best price.

Indoor and outdoor combination padlock; maximum security lock with a zinc body is best used as a gate lock, shed lock, and storage locker lock

Set your own four-digit combination lock for easy combination recall; Back-up key included for operation without the combination

Lock is constructed with a zinc body and reinforced body bumper for strength and reliability; covered dials for superior weather protection

Roller pin cylinder provides maximum pick and pry resistance; Tough-Cut octagonal boron-carbide shackle is 50% harder than hardened steel

2 in. (51 mm) wide lock body; 3/8 in. (10 mm) diameter shackle with 2 in. (51 mm) length, 15/16 in. (24 mm) width; extended shackle for application flexibility