The 2 sash jammers supplied per pack can be fitted to doors or windows which open in or out, preventing the levering of the sash or door leaf. With just a twist of the sash jammer handle, it is secured over the frame, offering resistance to deter forced entry.
It is a very quick and low cost addition security for the home. No skill is required, as each pack comes with step by step fitting instructions, and the sash jammer can be fitted to any uPVC windows or doors.