Matt Black Privacy Set (4111MB) - Coral SeriesDescription Solid zinc alloy construction with a matt black finish Suitable for both left and right hand opening doors and door thickness from 35mm to 45mm Snib lock on the inside and an emergency release button on the outside 70mm round backing plate fits most existing doors Latch backset adjustable for either 60mm or 70mm Comes as complete set, with screws, latch lock, 2 handles, T shaped strike plate and instructions Matching passage and entrance