Designed to be installed on most types of doors, this flush bolt is a stylish way to add safety to your home. Requires a mortised groove in the door 3-1/2 in. long x 7/8 in. deep. Mounting hardware included. California residentssee Prop 65 WARNINGS Finish of this bolt is brass Made of durable metal Mounting hardware is included Additional safety to doors 6 in. (152 mm) long with 5/8 in. radius end, 3/4 in. (19 m) width, 33 mm (1.3 in.) bolt end height, 0.08 in. gauge, strike plate: 50 mm x 22.48 mm (1.965 in. x 0.885 in.) 0.045 in. gauge, screws and strike included: all flush bolts include 4 #6 x 3/4 in. flat head Phillips wood screws Unlock easily by flipping the switch Radius end of 5/8 in. Features Item Weight 0.2500 Material Metal Door Bolt Type Flush Bolt Security/ANSI Grade N/A Hardware Finish Family Brass Commercial/Residential Residential Returnable 180-Day Door Locks & Knobs Product Type Surface Bolts Hardware Included Yes Interior/Exterior Interior/Exterior Finish Brass Product Weight (lb.) 0.25 Features No Additional Features Included Hardware,Installation Instructions Product Height (in.) 0.75 Product Width (in.) 0.75 Product Depth (in.) 1.3 Bolt length (in.) 6 Manufacturer Warranty Limited Lifetime Certifications and Listings No Certifications or Listings