316 SS Non-Perforated Worm Gear Hose Clamp - 3/8" Band - 7/16"–21/32" Clamping Range - 10-Pack - SAE Size 4. Premium Marine Grade, all AISI 316 (high tensile strength) 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. This eliminates hose damage with increased clamping force. The high strength, compact, one-piece 14mm (0.55”) wide housing provides one of the highest clamping force ratings of any worm gear style clamp. Features: The screw head is 7mm Long service life and safety for most general-purpose hose applications and connections. 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 – 0.8mm thick Screw Drive: 316 Stainless Steel 7.0 mm screw head. Specifications (from marketplace data): Item Dimensions 3 x 3 x 3 inches; Item Weight approx. 91 grams (3.21 ounces); Package Dimensions 3 x 3 x 3 inches; Package Weight 0.2 pounds. Model/Part Number: 705-0561. 10-pack, SAE Size 4.