The From the Anvil 6\" Straight Knob Door Bolt Beeswax are tight fitting, well made and include a unique spring mechanism - they are for use on inward opening doors. The fixing plate measures at 158mm x 51mm and the receiver bridge is 51mm x 19mm. It is sold individually complete with fixing screws. Beeswax Door Bolt The bolt has a beeswax finish - this is the most authentic finish for steel! Once forged, the colours are preserved with pure besswax giving a matt richness and offering protection when fitted internally and properly maintained. This is for internal use only. To restore and give ...