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6PCS Titanium Coated HSS Drill + Plastic Metal Saw Specifications: Material: HSS 4241 Surface treatment: Titanium Coated is customized: Yes Brand Name: OEM Quantity: 1 set (6pcs) Material: High Speed Steel Size: 3mm, 4mm, 5mm, 6mm, 6.5mm, 8mm length: 55mm, 65mm, 70mm, 80mm, 85mm, 90mm Use: Wood Drilling Type: Twist Drill Bit DIY Supplies: Woodworking Model Number: Drill Bits