From The Anvil Sliding Window Stay (12″ Or 15″), Matt Black – 83852 BLACK – 12″

For casement type windows, holds window in place at a set opening by tightening the screw down adjustable turn/knobnnThis stay works on a sliding bar and has a screw down adjustable knob which keeps the window locked in the required position. The adjustable design allows the window to be held open in multiple positionsnnFinish: BlacknnDimensions:nn- 12″: Overall Length: 304mm, Frame Fixing Plate: 59mm x 16mmnn- 15″: Overall Length: 381mm, Frame Fixing Plate: 59mm x 16mmnnSold in singles,supplied with matching wood screwsnn