Since 1988 we've been making specialty and multi-purpose tools for cutting and drilling that are so good we guarantee 'em for life! Multi-Purpose Drill Bits Drill EVERYTHING; Biter Sheet Material Cutter turns circles around other nibbling tools w/ patented steerable head; unique cutting edge design of Rover Bits cut both vertically and horizontally; HDII Cutting & Grinding Wheel is last blade you'll install on angle grinder to effortlessly cut/grind metals, masonry, plexi, more!