<ul><li>Provides convenient pick-up and retention of hex fasteners</li><br /><li>Lobular design drives along flats to reduce rounding of hex fasteners</li><br /><li>Flat edges at hex opening for full contact with flanged hex head screws</li><br /><li>Calibrated heat treating process for added durability</li><br /><li>Matte Nickel surface for best in class corrosion resistance</li></ul>