Color: Black, Material: Zinc Alloy, Cylinder Diameter: 19mm / 0.7", Cylinder Length: 20mm / 0.79", Mounting Hole Diameter: 4mm / 0.16", Mounting Hole Center Distance: 32mm / 1.26", Package List: 2 x Drawer Locks, 2 x Keys, 6 x Self-tapping Screws Advantage: Zinc alloy material, good hardness, wear-resistant and corrosion-resistant, waterproof, rust-proof and oxidation-resistant, and durable. One-piece metal casting is not easy to loosen or fall off. Instruction: 1. Measure the position where the lock is to be installed and mark it with a pen. 2. Drill holes at the marked locations and pass the lock core inside. 3. Tighten the screw with a screwdriver to secure the lock cylinder. Application: It is suitable for three drawers such as office cabinets, lockers, bedside tables and filing cabinets to be locked and opened together. Note: Due to manual measurement, please allow a margin of +/- 0.1 inches.