Grace USA Marlin Screwdriver Set HG-MAR 336 Screws - Gunsmith Woodworking Jewelry Watch Repair DIY Tools - Made in the USA This 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 gunsmith. Each screwdriver is constructed of USA 8650 Chromium-Vanadium steel alloy blades, and features a black oxide-finish and is precision made for 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 hardwood, topped off with a nickel-plated steel ferule. 100% Made in the USA.