The Welka Sashlock Case For Gates is a popular product found on many gates throughout the UK.  It can be welded or bolted to the surface of gates to offer rim mounted sash lock functionality. The Welka gate lock has a “triple throw” locking bolt that can extend 10mm per turn of the key, allowing up to a maximum of 32mm of bolt throw. Made from hot galvanised steel, the lock is supplied with a cylinder, 3 keys and 2 escutcheons.