This version has no rollers and is specifically designed for timber and composite doors. Supplied with specialist timber/composite keeps and fixing tabs for easy and secure fitting. Rounded ends. Meets 'Secured by Design' and PAS24 door set standards. Contains 3 piece lock, 3 part keeps and uni-packer system, x2 Allen keys, Fixing screws pack and a Split spindle. Operation: Split spindle or lift lever. Latch reversal: Undo the screw in the latch to remove. Reverse, reinsert and replace screw. Nightlatch reversal: Automatically reverses.