The Mila Shootbolt Espag Gearbox With Cams 22x167mm is suitable for casement windows. It provides enhanced security through a combination of 2 mushroom headed steel cams and stainless steel shootbolts. It has been tested to 50 000 cycles and meets the requirements of Secured by Design. It accommodates both standard and reduced depth euro grooves. Locking points are engaged by lifting the handle and extension pieces are not supplied with product.