The Turbo Shear product line from Malco offers tools that are designed to cut all kinds of materials, from sheet metal to fiber cement to slate. Turbo Shear is simple to use and comes complete with everything you need to attach it to your cordless (or corded) drill. All you have to supply is the drill. Several models are also available that use air power to operate. All you have to supply is an air-line and source of compressed air.