Worm Gear Clamp: SAE 4, 5/16 to 5/8" Dia, Stainless Steel Band. Series 325 miniature worm drive hose clamps engineered for secure hose connections. Band Material: Stainless Steel (Material Grade: 301); Band Width: 0.3125 in (5/16"); Minimum Diameter (fractional): 5/16"; Maximum Diameter: 5/8"; Screw Type: Hex Head. Sold as a pack of 10 pieces. Product features include a stainless steel band and a robust screw design for high torque. Ideal clamps are made for durability and corrosion resistance in general hose and tubing applications. Manufacturer references and part numbers: ProductDatabase Mfg Part No. 6204051; alternate model references encountered: 6204053/6202053 (market listing). Unit packaging and product dimensions per marketplace: approximately 1 x 0.75 x 0.33 inches; item weight approx. 0.02 pounds (0.32 ounces).