Ingco Aksdb1901 19 Pcs Drill Bits And Screwdriver Bits Set.

7 HSS Rolling Twist Drill Bits: Sizes include 2, 3, 3.5, 4, 4.5, 5, and 6mm, suitable for drilling into metal. 4 Masonry Drill Bits: Sizes include 4, 5, 6, and 8mm, designed for drilling into concrete, brick, and stone surfaces. 8 Screwdriver Bits (25mm): Includes sizes SL4.5, SL5.5, PH1, PH2, PZ1, PZ2, T20, and T30. The set is packaged in a double blister for convenience. It is designed to be a versatile and reliable tool set for various drilling and fastening tasks in different materials.