10 x Multi Point Repair Lock & One Piece Keep 4 Roller UPVC Door 35mm 92mm When replacement locks are no longer available, or you don’t have time to source a replacement item, this repair kit is the perfect one-box solution. The non-handed, one piece keep provides a rigid reliable repair to the door outer frame. Measurements: Backset: 35mm PZ: 92mm Please send a message if you have any questions. You can find this item sold in units of 1 on our page.