Single versatile handle, fits virtually all step heights! High quality, adjustable cockspur window handle kit that fits most aluminium, uPVC and timber frame windows. Supplied with striker plates, and spur wedges, to accommodate most step heights. The Universal Cockspur Handle is a unique, patented design that incorporates optional spur wedges that allow the handle to fit 9mm, 13mm, 17mm, and 21mm step heights. The kit also includes four sizes of striker plates that can be fitted to the frame, and used in conjunction with the spur wedges to fit even more step heights.