U2 T00103125H 1/4 in. x 3-1/8 in. Carbon Steel TopStar Screw (18-Pk)

The Original TopStar Fastening System replaces shimming and can make door hanging a one-person job. TopStar is a dual screw which works as one and is perfect for door jams/wooden windows insulation paneling and cabinets. Great for any fine adjustments in both directions. Coated with hexavalent chromium (CR6+) free and complies with the strictest standards governing chemical substances.