ERA 6135 / 9135 Lever Operated Latch & Dead - 2 Adjustable Rollers & Mushrooms (UPVC Door)Designed to replace most multi point locks in the PVCu UK market, and fits conventional 16mm wide Euro groove, with 35mm backset. It uses conventional adjustable rollers for enhanced performance and weather sealing, and high tensile steel mushrooms for anti separation with adjustable keep plates. Available with a Euro Cylinder or Vectis Plus gearbox. Designed to replace most multi point locks in PVCu, Composite and Timber doors Modular 3 piece kit