Precision machined carbon steel drill bits with SDS shank, perfect for woodworking and DIY You can choose the best auger for woodworking. The self-guided thread head of the auger bit can help the bit position the bit on the wood precisely and quickly for easy drilling. The hex shank is designed so the hex shank won't slip when working, making it ideal for hand drills and bench drills. The solid center design makes the auger stable and solid during the drilling process, and the wide insertion flutes allow for faster drilling, easier chip evacuation and smoother hole walls. This auger set is made of extremely durable high quality carbon steel for superior hardness and longevity. Stem: SDS PLUS Round Rod Rod Diameter 10mm Package: Pack of White Pockets Size: 25*5*5cm Weight: 0.8kg