Hammer 5/16in. - 1/2in. Flange - 1/4-20 Screw on Back & Bottom, 100PK, Winnie Industries, Mfr#: WM58

•Spring Steel •1/4-20 threads on side and bottom •Hammer onto 5/16′′ to 1/2′′ Flanges •Bottom has slots for a standard 50 lb tensile strength cable tie.