The Design House Double Cylinder 2-Way Latch Deadbolt requires a key to open the deadbolt from both inside and outside your house. Finished in oil rubbed bronze and designed for left or right hand doors. This product is ANSI Grade-3 certified which means this deadbolt is rated for residential security. Design House offers products in multiple home decor categories including lighting ceiling fans hardware and plumbing products.. Dimensions - 3.50 x 9.2cm x 5.1cm .. Item Weight - 0.5kg.