The Yale P334 2 Lever Rim Lock Grey Enamel is suitable for internal doors up to 35mm in width & ledged & braced doors. The case size is 152mm, the follower backset 107mm & the keyhole backset is 43mm. It has an 8mm follower which will take all of our rim knobs which have an 8mm square spindle. The lip depth is 7mm. It has a grey finish & is reversible. The latchbolt is withdrawn by a knob from either side & the deadbolt is locked or unlocked by key from either side.