Specifications:Color: BlackMaterial: Zinc AlloyCylinder Diameter: 16mm / 5/8-inchCylinder Length: 20mm / 0.79-inchMounting Hole Center Distance: 31mm / 1.22-inchMounting Hole Dia: 4mm / 0.16-inchTotal Length: 61mm / 2.4-inchRotaion Degree: 180 DegreeLock Lever Length: 38mm / 1.5-inch Package Content: 1 x Desk Lock1 x Trim Washer2 x Keys2 x Mounting Screws Description:1. 20mm cylinder length, 16mm cylinder diameter.2. Zinc alloy material will resist wear and rust over time.3. The lock is keyed different, with key non-retaining and 180 degree rotation.4. Perfect for cabinets, doors, lockers, mailboxes, RVs, boxes, etc.