Krino 19020213 HSS Combi Screw Tap Bits with 1/4 inch Hexagonal Shank for Steel and Metals, 7 Piece Set

For clockwise/anti-clockwise rotation screwdrivers and drills. For drilling, threading, and countersinking. For steel, aluminium, non-ferrous metals, and plastic up to 600 N/mm2 tensile strength and depth 1 x D., Weight: 0.330693393 pounds, Manufacturer: Krino