Clamp has a 1/2" stainless steel band with plated 5/16" slotted hex head screw and housing. Recommended for most applications. Rounded edges to protect the hose. Efficient three-piece construction. Screws feature deep slots for quick installation. Precision Brand® Standard Series Hose Clamps have 100% interlock construction features: one piece housing which directly locks into the band and spot weld free design. Easily installed with screwdriver, nut driver or socket wrench. Meets or exceeds SAE torque specifications.