Description:    2 Pack Silver Door Security Bolts Rack With Fitting Plates + Star Keys + Screws   Features:   Material: Metal Bolt Rack Length: Approx. 60mm\/ 2.36" Backset (Distance to keyhole centre): Approx. 27mm\/ 1.06" Lock Type: Rack dead bolt. These rack bolt locks for doors are simple and easy to fit. Add extra security to exterior or interior doors. Commonly fitted in pairs near the top and bottom of doors to provide extra security.    Package Included:      2 x Door Security Bolts Rack   2 x Star Key   4 x Fitting Plate  12 x ScrewsDetails pictures: