Coded Door Lock, 4 Wheels Recodable Water Resistant Gate Lock Keyless Combination Lock with One Way Screws High Security for Sheds/Barns1 x Combination Lock Bolt 1 x Lock Sleeve 1 x Side Door Buckle 6 x One Way Screws Specification: Material: Zinc Alloy Black Color Lock Size Combination: 10 x 4.8 x 4cm / 3.9 x 1.9 x 1.5in Weight: 363g / 0.8lb More features : 1. The 4-wheel recodable combination lock bolt is made of zinc alloy. It can be used indoors and outdoors due to its waterproof design. 2. The bolt code lock provides convenient keyless security with 10,000 different possible combinations, so there's no need to worry about keys. 3. The combination lock bolt has 2 installation methods: the door frame and the door are on the same plane with the installation of the lock sleeve; the door frame and door are at a 90 right angle to the side door installation. 4. Combination slide lock is the perfect locking solution for sheds, barns, cabinets, doors, iron gates, wooden gates, fences or windows. Tips: 1. After the one-way screw is installed, it cannot be removed. The installation position should be confirmed before installation. 2. If the password is forgotten, the combination lock will be unusable.