The HOSE CLAMP #20 is designed for versatility, accommodating hose diameters from 1-3/16" to 1-3/4". Made from high-strength stainless steel with a zinc plated hex screw, this perforated worm-gear clamp ensures secure fastening and long-lasting performance. Its 1/2" band and 5/16" slotted hex screw conform to SAE standard J1508 type F , making it ideal for standard clamp applications in both automotive and industrial environments. Trust this clamp to exceed all SAE requirements for your projects.