Rockwood 630-4.3 Solid Brass Surface Bolt with Universal and Mortise Strike, 2 Guide, 4" Bolt Length, Brass Polished Clear Coated Finish (2-(Pack)) Surface bolt with a brass polished clear coated finish for securing an in-swinging or out-swinging door at the top or bottom Gasket provides slide resistance without marring the surface of the bolt Half-round bolt measures 4" long x 5/8" wide and bolt throw measures 9/16" Includes two guides, a universal strike, a mortise strike, and eight #6 x 3/4" oval head machine screws