D201 Tip Tool Drill Sets Sutton Tools tip tool drills are designed for hand drilling soft metals, wood and plastic. Suitable for metal working, electronics, jewellery, model engineering and general hobby work. Drill bits made from high speed steel. Includes drill sizes from 0.6 to 1.6mm. Brass chuck for durability and long-life Knurled end for drilling control Hollow alloy body stores drills when not in use Made from M2 High Speed Steel (HSS) offering the best combination of strength, heat & wear resistance Bright finish for general purpose applications, non-ferrous metals & plastics Technical Specs: Pieces 11 Range - 0.60, 0.65, 0.70, 0.75, 0.85, 0.90, 0.95, 1.00, 1.06, 1.16, 1.40, 1.60mm