Features:Brand new and high quality.Saw drill woodworking drill.Hardware tools cutting tools slot sawtooth bit.Material: HSS 4241.Surface treatment: Titanium Coated.Suitable for thin wood， wood， aluminum， plastic plates pull grooving.Size: 3mm，4mm，5mm，6mm，6.5mm，8mm.Quantity: 1 set (6pcs).Package Included:6 x Woodworking Drill BitsNO Retail Box. Packed Safely in Bubble Bag.