Cowl with two sets of cutters for wood, plastic, plasterboard, aluminium, brass and acrylic sheets. Cutter arm has diameter graduations at 5mm intervals. Cowl reduces debris and risk of injury from flying particles. Maximum 500rpm. Includes hex key, 1 x pair of TCT-tipped blades, 1 x pair of carbon steel blades, lip and spur bit, and TCT-tipped masonry drill bit.