57 Series Worm Drive Clamps, 1 7/8" Hose ID, 1 1/2"-2 1/2" Dia, Steel 201/301

Helpful in hard to reach areas, they feature deep slotted screw design that prevents screwdrivers form slippage and puncturing the hose wall. Hex clamps can be installed with a screwdriver, nutdriver or socket wrench.