There are two main types of Sash Jammer which are the key locking and non locking variants. Used for extra security Sash Jammers are a cost effective method of increasing your home security. The key locking sash jammer features a simple key locking mechanism for extra security. We offer the Schlosser Technik Key Locking Sash Jammer which is one of the market leading products. The key locking sash jammer is available in a range of finishes and in both PVC and Timber variations. For more information or to locate your Key Locking Sash Jammer, please see the above product list.