Made of S2 Steel, The Strongest Hardest Drivers Satin Chrome Sockets, Gun Metal Grey Bits Heat Treated to 58-62 RC 10" Magrail TL with Lifter Ring Approved for Hand & Power Tools Set Includes:...
Premium grade Drills are manufactured from a high grade Molybdendum high speed steel, that has high vanadium content. Performance Drills are salt nitride treated, actually penetrating the tools...