Improtec Lift&#39;n&#39;Lock - Drywall, Plywood, Door Lifter and Support,Improtec" /> Tapered support section slides easily under doors and boards. Lifts drywall, doors and plywood up to (2.5"/65mm) holds precisely in place while fixing or marking. No need to keep your foot on the lifter the locking system does that part of the job for you. Hands are free to fix, no stooping or bending, outclasses the drywall kicker. Makes hanging Drywall, simply, more accurate and faster than ever before. Patent PCT/GB2005/002873