The From the Anvil 6\" Universal Knob Bolt Black is a multi purpose bolt which can be used on windows or doors. The fixing plate measures at 150mm x 40mm, the receiver plate is 40mm x 16mm, the receiver bridge is 43mm x 10mm and the angled keep is 40mm x 15mm (10mm deep). It is sold individually complete with fixing screws. Black Door Bolt The bolt has a black finish - this is baked in a high-temperature oven to give it good durability and can be used internally or externally. To remove dirt deposits, simply wipe over with a lightly oiled cloth from time-to-time and this will restore it to it...