Product Name: Woodworking Three Point Countersunk Bit, Woodworking Countersunk Bit 7 Pieces: (3mm, 4mm, 5mm, 6mm, 7mm, 8mm, 10mm) Knife handle type: round handle Cooling type (internal cooling / external cooling): external cooling Cutting diameter (mm): 5 Handle diameter (mm): 6 Chip flute length (mm): 70 Useful length (mm): 110 Total length (mm): 150 Outside edge angle (): 138 Material: high speed steel Maximum cutting depth: 50 Blade size: 3 Order Code: 7pcs Woodworking Countersunk Drill Category: Countersunk Drill Blade Diameter: 5 (mm) Blade length: 50 (mm) Full length: 150 (mm) Rod Diameter: 6 (mm) package number: 7 pieces Series: three-point woodworking drill Model: 7 piece set + spanner [30mm] Product weight (g): 251 Specifications (diameter * full length): 6*150