316 SS Non-Perforated Worm Gear Hose Clamp - 3/8" Band - (1-1/16" – 1-1/2") Clamping Range - 10-Pack - SAE Size 16. Premium marine grade all AISI 316 stainless steel compact HD NON-PERF worm gear hose clamp. The 9.7 mm (0.382") wide band is non-perforated and smooth on the inside with rolled edges to eliminate hose damage while increasing clamping force. High strength, compact, one-piece 14 mm (0.55") wide housing provides one of the highest clamping force ratings of any worm gear style clamp. Screw head is 7 mm. Recommended torque: 35-45 in-lbs. Recommendations: measure hose O.D. before selecting clamp size for proper fit; double clamp on each hose end for critical applications. Construction: Band & Housing: 316 Stainless Steel; 9.7 mm wide band – 0.8 mm thick; Screw Drive: 316 Stainless Steel 7.0 mm screw head. Includes 10 clamps per pack. (Additional product dimensions and packaging: item dimensions 3 x 3 x 3 inches; item weight 5.6 ounces; package weight 0.35 pounds.)