LOCINOX Gatelock Fiftylock Insert Set with Keep For 50mm Box Section SAAThe Locinox Fiftylock gate kit includes an insert mortice lock, cylinder, surface mounted SFKO keep, handles and escutcheons and is suitable for 50mm box section metal, aluminium or PVC gates. The mortice lock has a stainless steel adjustable self latching bolt and hook, which combined with the keep ensures a strong and solid closed gate. Suitable for metal, aluminium and PVC gates Surface mounted SFKO keep Up to 10mm continuous adjustment of the day