Security Wire Stopper Security Wire Stopper prevents hooks from being removed from the picture hanging system. The grub screw design allows for quick and easy installation using a hex key. Suitable for indoor and outdoor use, manufactured from 316 (marine) grade stainless steel. It’s been designed for 2mm wires. The dimensions are 10mm L/W, 8mm H. What’s in the box 1 x Security Wire Stopper wire/hook not included
