ITEM NAME:5PCS Drill Bit Set 4 5 6 8 10mm Change Metal Tools 1/4 Hex Shank Wood HCS #JT1 Product Description Description: Product Description Fits All 1/4" Hex Cordless Screwdrivers Fast replacement composite cone, uses drill edged principle. Drilling and tapping in one, one-step processing, greatly save processing steps and time costs, improve working efficiency. Self-centering point, do not need assistant center drilling or center punching. High hardness, rustproof, solid and durable. Color: as the picture show Size:4, 5, 6, 8 , 10mm 1/4" (6.35mm)Hex Shank Material: High Carbon Steel Quantity: 1 set(5pc) Note: Please allow 1-2mm differs due to manual measurement, thanks. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Please understand, Thank you! Included: 5 X Hex Shank Wood HCS Drill Bit Set 4 5 6 8 10mm Quick Change Metal Tools.1/4" (6.35mm)Hex Shank. Fits All 1/4" Hex Cordless Screwdrivers. Size:4, 5, 6, 8, 10mm. Material: High Carbon Steel. Self-centering point, do not need assistant center drilling or center punching. Due to the difference between different monitors, the picture may not reflect the actual color of the item.