Grace USA's 11-Piece Star Screwdriver Set is precision manufactured and hand assembled entirely within the United States, and is designed specifically to serve the needs of both professional and hobbyist gunsmiths, woodworker, mechanic, and machinists. Each screwdriver is constructed of USA 8650 Chromium-Vanadium steel alloy blades, and features a black oxide-finish and is precision made for a snug fit between the driver and fastener that minimizes the potential for damage to the screw head when torque is applied. Handles are composed of turned Maine USA hardwood, topped off with a USA nickel-plated steel ferrule. Each set comes packaged in a plastic storage sleeve. Th Mfg: Grace Usa