General description Bosch 8Pc Impact Metal Drill Bit Set is designed for precision drilling in metal, featuring high-speed steel (HSS) construction for durability and performance. This set includes eight drill bits of varying diameters, making it versatile for different applications. Technical specifications Material: High-Speed Steel (HSS) Diameter: 2.0 mm, 3.0 mm, 4.0 mm, 5.0 mm, 6.0 mm, 7.0 mm, 8.0 mm, 10.0 mm Overall length: 60.0 mm, 72.0 mm, 83.0 mm, 91.0 mm, 98.0 mm, 109.0 mm, 117.0 mm, 133.0 mm Size of the set: 41.0 x 110.0 x 200 mm