Product Specifications Our set of seven high-speed rotary drill bits ideal for drilling into wood, plastics and soft metals. Includes sizes (in inches): 1/32, 3/64, 1/16, 5/64, 3/32, 7/64 and 1/8. You will require the use of the 4486 Dremel chuck or the 480, 481, 482 and 483 collets. Made of high-grade stainless steel. Ideal for drilling Use on wood, plastics and soft metals Set of seven high-speed drill bits Made from high-grade steel DIMENSIONS Contents: 7 Assorted Drill Bits Warranty: Product Defects Only Description: Drill Bit Set Bit Diameter mm: (1) 0.8 mm; (1) 1.2 mm; (1) 1.6 mm; (1) 2.0 mm; (1) 2.4 mm; (1) 2.8 mm; (1) 3.2 mm Color Code: DimGray Bit Diameter Inch: (1) 1/32"; (1) 3/64"; (1) 1/16"; (1) 5/64"; (1) 3/32"; (1) 7/64"; (1) 1/8"