Patio Door Lock Specifications:8mm locking boltPush to lock - key only required for unlocking2 x Striking rings provided2 x Rebate slotsFixing screws providedFeatures:Two striking rings - offers an optional secondary locking position (ideal for homes with small pets or rooms that require ventilation)Supplied with 2 keysAvailable in brown, white or grey Article YPDL/2KB Patio Door Lock - Brown YPDL/2KG Patio Door Lock - Grey YPDL/2KW Patio Door Lock - White Close Un-Jam-It Lock Lubricant Duo Pack Patio Door Lock - Thumbturn Indicator Bolt