Total Size: 165*40mm/ 6.5*1.57inch (L*W); Bolt Diameter: 12mm / 0.47inch; Mounting Hole Dimension: 6mm/ 0.24inch; Mounting Hole Spacing: 40mm/28mm; Packing List: 4 x Spring Loaded Latch Advantage: The barrel latch lock is made of electroplated iron, which makes it durable, and strong enough to withstand daily wear and tear, not easy to fade after long-term use, durable, and has a long service life. With a sturdy barrel bolt design, this latch provides a secure locking mechanism that keeps your door firmly closed. Instruction: The spring bolt latch is designed with two pins, allowing you to easily pull out the bolt and rotate it 90 degrees to stop at the pins to open the door. Not limited by the installation angle, vertical and horizontal installation are both suitable. (Screws are not included) Application: The spring loaded latch lock is a durable lock hardware designed for door, window, cupboard, shed, bathroom, bedroom to provide secure and quiet locking performance. NOTE: Make sure to measure correctly when installing the lock, including door thickness, etc. Specification Color: Silver Tone Material: Iron Total Size: 165*40mm/ 6.5*1.57inch (L*W) Bolt Diameter: 12mm / 0.47inch Mounting Hole Dimension: 6mm/ 0.24inch Mounting Hole Spacing: 40mm/28mm Packing List: 4 x Spring Loaded Latch Advantage 1. The barrel latch lock is made of electroplated iron, which makes it durable, and strong enough to withstand daily wear and tear, not easy to fade after long-term use, durable, and has a long service life. 2. With a sturdy barrel bolt design, this latch provides a secure locking mechanism that keeps your door firmly closed.