ACDelco 32336C Specialty Adjustable Hose Clamp For Use with Silicone Hose Designed to provide an extra tight seal on silicone hoses and stop hose cover extrusion 300 series stainless steel band, screw, and housing resist corrosion Four piece construction and 100% mechanical interlock for added strength and torque capability Combination 5?16 in hexagon, deep slot screw head makes installation easy and tightens with a screwdriver, nutdriver, or socket wrench Inner liner band to stop hose cover extrusion