Secondary security for windows and doors Premium key locking sash jammer for extra secure windows and doors. Strong cast zinc body and durable powdercoated finish means itll work well and look great for years. Supplied with variety of fixings including jack nuts and screws. Additional security for windows and doors that can be quickly fitted and is easy to operate . Sash Jammers also known as Sash Blockers offer highly effective protection against intrusion and are popular for use in offices schools universities and hospitals as well as housing. Features & Benefits Super strong durable cast zinc construction Attractive design sleek profile with powdercoated finish Easy to use just twist to secure door or window Highly secure can key lock jammer arm Peace of mind satisfy insurance and relax Fixings supplied use jack nuts or choice of screws Available in a choice of colours including Chocolate Brown for use with Rosewood or Mahogany frames and Cara...