The Weld Mount clamps are available as single or double units. Each is designed to be mounted using our ?? x 20 Weld Mount studs. The chart below details the stud required for each size of clamp. The clamps are manufactured of black polypropylene and are temperature rated for -22 to +194 degrees F continuous service. These clamps are available at a per piece price with no minimum quantities or at reduced price based on purchase of bag quantities. Other sizes are available. Maximum hose OD is 1?.