Upgraded High Hardness and Strong Magnetic Bit,D1 Impact Driver Bit Set 2023 New
Material: D1 Alloy Steel. Hardness≥62HRC-High precision optimization Material. The hardness of bit head is as high as 62HRC stronger and mofe durable. 3Pcs Large HSS Steel Step Cone Drill Titanium Bit Set Hole Cutter 4-12/20/32mm.