Aemygo'S 9-Piece Easy Split Drill Bit Set Is A Heavy-Duty Cone Drill Bit That Is Package includes: WHAT WILL YOU RECEIVE? : The package includes 9 pieces wood splitter bit set, which includes 3 different models and sizes of connecting rods (square+round+hexagonal), 2 pieces of each model; a 32 mm and 42 mm wood splitter bit. HIGH QUALITY MATERIAL: Made of high quality high carbon steel, the wood splitter drill bit is quenching processed, high hardness, impact and abrasion resistant. PRACTICAL DESIGN: The deep spiral pattern on the surface allows the wood splitter drill to split logs quickly and improve the efficiency of splitting firewood; the 3 kinds of drill handles provided adopt the groove design, which can prevent slipping and make the drilling of wood more stable. TIPS TRICKS: Start drilling from the top of the wood instead of the center to save energy; keep the drill bit and the wood perpendicular to each other, which saves labor and prolongs the life of the drill. The best square handle is suitable for electric hammer, round handle is suitable for impact drill, hexagonal handle is suitable for hand drill. 1OO% SATISFACTION SERVICE: We are a company dedicated to providing better products and services to our customers. If you have any questions about our products, please feel free to contact us, we will give you a satisfactory answer within 24 hours.