Size: 80mm x 32mm, thickness 1.5mm, lock base size: 35x30 mm, screw hole diameter: 4 mm. Material: the base of the lock is made of zinc alloy and the hasp is made of high quality chrome plated metal. It is durable and does not rust. Thick metal connecting rod can prevent it from being broken and improve security, each lock's keys are not universal, can ensure security. After careful polishing, all burrs are removed , don't worry about scratching your hands and furniture when installing. Hidden screw holes, beautiful appearance, improve the safety of the hasp, countersunk hole design, screw installation is more tight, not easy to loosen. It is widely used to provide additional security protection for doors, drawers, cabinets, boxes, etc., to fully ensure your privacy.