The C.K T4837 is an innovative hand tool for Wall Scribing, Wall plug hole punching and drill marking on plasterboard. Stepped, special alloy shaft for punching 5mm, 6mm & 7mm wall plug holes. No drilling, no mess. Cone point for punching, scribing and marking plasterboard. Shatterproof acetate handle with a strike-through cap withstands hammer blows. With a blade length of 98mm and shaft length of 100mm for extra comfort and ease of use. Guaranteed for life for imperfect materials or workmanship from the manufacture, Carl Kammerling International Some other products which go perfectly with this Plasterboard Punch: C.K Fibreglass Hammer or the C.K Magma Essential Tool Pouch