Single timber jamb lining kit - 100mm (4”) finished wall thickness only (0 Reviews) Review this item The timber jamb liner finishes off your opening between the door and metal framework creating the perfect finishing touch. Made from MDF the kit is specifically designed for use with Rocket Pocket kits and will finish the pocket entrance, the door post and above the passage opening.Simple and easy to fit you can use it with 35mm or 44mm doors.Installation instructions IN STOCK £24.95EX VAT