From The Anvil 91051 Satin Chrome Security Door Bolt

From The Anvil

Security bolts are designed to fit into the edge of doors and windows to add improved security.\nThey must be morticed into the door and used in conjunction with a security star key (sold separately) which turns and releases the bolt mechanism.\nSupplied with matching SS wood screws.\nOverall Length: 61mm\n Cylinder Diameter: 16mm\n Facing Plate Size: 43mm x 20mm x 2mm\n Receiver Plate Size: 43mm x 20mm x 2mm\n Oval Receiver Plate Size: 39mm x 20mm x 2mm\n Backset: 32mm\nSatin chrome is created from a base metal of solid brass with a quality chrome plating applied to its surface. Satin chrome offers an understated alternative to polished chrome. Its blue traces and less reflective appearance make this finish popular with those who wish to elect a matt finish.