The Professional Yale Doormaster has croppable extensions that offer replacement for an even wider range of multipoint locks. 3 hook ,2 roller version Supplied with pre-assembled keeps using the patented uni-packer system for fast, easy and reliable installation. Variants available for PVCu, Timber and Compositedoors 3 hook bolts for high security anti separation Fixing tabs for easy and secure fitting Rounded ends for safe installation Designed and tested to police approved standard secured by design and PAS24 door set capable Yale keyfree compatible
