Y3 Nightlatch Specifications:Modern contemporary design60mm backsetFinish: satin nickelSupplied with 1x1 cylinder with 3 keysFeatures:Latch bolt automatically locks when door is closedSnib button can be used to hold open latch bolt or to deadlock the door when in the closed positionSuitable for left and right hand inward opening doorsTo be used as an additional lock on primary doors Article P-Y3-SN-SN-60SA Y3 Nightlatch Close Traditional Nightlatch High Security Nightlatch