54 Series Worm Drive Clamp, 2 3/4" Hose ID, 1 5/8-3 1/2"Dia, 201/301 Stnls Steel

Features: Feature an exclusive safety collared deep slotted screw design that prevents screwdrivers from slipping and puncturing the hose wall | Combo-Hex clamps can be installed with a screwdriver, nut driver or socket wrench