Features and Benefits: * S2 steel, for the strongest and hardest drivers available * Stubbie one piece impact drivers are 1-1/8" long * Gun Metal blue plating * For use on power and hand impact tools * Limited Lifetime warranty Stubbie Impact Driver Set for hand and Power Impact drivers. 8 piece set of S2 steel Hexagon Impact drivers 1/4" through 3/4" all with 3/8" square drive. New Gun Metal Blue plating. Stubbie drivers are one piece construction and 28mm long.