The Metabo HPT Impact Rated 50pc Driver Bit Set is engineered for use with impact drivers and river drills. Each precision bit tip is CNC milled for superior fit and hold with fasteners. Manufactured from custom S2 alloy for toughness and durability, they are also torsion zone optimized for strength and flex. Hi-vis green sleeves on each bit make them easy to find if dropped or buried in the bottom of a tool bag. This bit set offers a wide variety of 1" bits, 2" power bits, magnetic nut drivers, a 3" compact magnetic bit holder and a 3/8" socket adapter all organized in a convenient storage case providing the ideal assortment of bits needed for jobsite applications. Genuine Metabo HPT drill bits are manufactured at higher standards for material and workmanship to help eliminate downtime, so you can work more efficiently.