The improved SPEEDBOR™ Spade Bits now last 2X Longer and cut 2X Faster. Next-generation SPEEDBOR™ Spade Bits feature a chamfered cutting edge for durability in cutting wood and optimized point tip that is wider and longer than previous IRWIN® spade bits to minimize splintering and control speed. Patented Blue-Groove cutting edge allows for a large cutting area for aggressive removal of wood chips and fast drilling.