For 31 years we've been making speciatly & multi-purpose tools for cutting + drilling that are so GOOD we guarantee 'em for life.  Multi-Purpose Drill Bits drill EVERYTHING; Biter drill-mounted Sheet Material Cutter turns circles around other nibbling tools. w/ patented steerable head, HDII Grinding Wheel is the last you'll have to buy. See em' in action!
                        
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