Maco MK1 Shootbolt Espag Gearbox Mechanism UPVC Window Lock 20mm Backset

20mm and 22mm Backset Fixing screws not included, 1 gearbox and 1 faceplate per purchase Standard measurements of 43mm centre to centre Designed to give greater security in line with BS 7950 Conforms to BS644, BS4873 and BS 7412:2002 corrosion resistance, tested in accordance with BS EN 1670:1998., Manufacturer: UPVCSTORE