Weld Mount Double Poly Clamp f/1/4" x 20 Studs - 3/8" OD - Requires 1" Stud - Qty. 25Double Clamp Each clamp is designed to be mounted using 1 4" x 20 Weld Mount studs. The clamps are manufactured in black polypropylene and are temperature rated for 22 to +194 degrees F continuous service. Features: Hose OD: 0. 375" Stud Required: ST125 1420 16SS Clamp Dimensions L W D: 1. 54" x 0. 63" x 0. 56" Recommended Clamp Spacing: 3' Full threaded CD welding studs are suitable for fastening applications that require external threads with a full