ITEM NAME:6pcs High Speed Steel Twist Drill Bits Woodworking Tool Ground Metal Reamer #gib Product Description Description: Features: Woodworking electric drill, metal tool cutting tool slot sawtooth cutter head. Suitable for 1-2mm thin wood, wood, aluminium, plastic plate slotting. Excellent material, durable, good workmanship, no burrs. Specifications: Material: High Speed Steel 4241 Surface treatment: titanium coating Dimensions: 3mm, 4mm, 5mm, 6mm, 6.5mm, 8mm. Length: 60mm/2.36", 70mm/2.76", 80mm/3.15", 85mm/3.35", 85mm/3.35", 90mm/3.54" Notes: 1. Due to the different monitor and light effect, the actual color of the item might be slightly different from the color showed on the pictures. Thank you! 2. Please allow 1-3mm measuring deviation due to manual measurement. Included: 6 X Twist Drill Bits.Included: 6 X Twist Drill Bits. Suitable for 1-2mm thin wood, wood, aluminium, plastic plate slotting. Material: High Speed Steel 4241. Due to the different monitor and light effect, the actual color of the item might be slightly different from the color showed on the pictures.