【HIGH QUALITY MATERIAL】Quickly and cleanly cuts smooth, straight holes in hardwood or cork. 【7 SIZES】Il y a 6 diamètres différents de bits de foret de tarière, y compris 6mm, 8mm, 10mm, 12mm, 14mm,16mm, 18mm, longueur totale: 230mm/9.05'', pour répondre à vos divers besoins. 【CONCEPTION DE LA POIGNÉE SDS】The unique design ensures that the shank will not slip during operation, and the SDS shank can be used with hand drills and drill presses. 【TêTE DE FIL AUTO-DIRIGÉE】The automatic threaded head at the front of the drill bit allows the drill bit to be positioned accurately and quickly on the wood for easy drilling. Center twist drill bit with large and wide blade. The solid center design makes the drill bit stable and sturdy during the drilling process. The wide blade allows for faster drilling, facilitates chipping, and smooths hole walls. 【DIY ACCESSORY 】Les pointes de tarière en acier au carbone de haute qualité sont résistantes à la rouille et durables. CONCEPTION À QUEUE HEXAGONALE