Usage Tips: [High Security] Positioned at the lock's bottom for enhanced confidentiality, the 4-digit combination offers 10,000 possibilities, making this large, heavy-duty lock both waterproof and dustproof, with a design that significantly impedes forced entry. [Sturdy and ] Crafted from robust zinc alloy with a one-piece molded body and an 8mm thick hardened steel beam, this lock withstands over 180 hours of salt testing, ensuring durability against shearing and prying under harsh conditions. [Resettable 4-Digit Combination] This lock permits personalized security with 10,000 unique combinations accessible. It offers easy configuration without additional tools, though remembering your set combination is crucial as forgetting it prevents unlocking. [Versatile Use] his padlock accommodates a variety of settings, including gates, warehouses, and school lockers, ensuring maximum application flexibility in both indoor and outdoor environments. Please note:the physical slightly color difference or difference, does not affect the use, please do not mind, thank you! Type:Long Colour:Black Material:Zinc Alloy Package Contents: 1 * heavy-duty combination lock Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.