Ideal Industries 1-9/13" -2-1/2" Ss Hose Clamp 1/2" Band 5 (420-5732) Box of 10Helpful 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 Clamp Diameter = 1 1 2 in [Min], 2 1 2 in [Max] Hose I. D. = 1 1 2 in [Min], 1 7 8 in [Max] Width = 1 2 in Bolt Screw Size = 5 16 in Bolt Screw Type = Slotted Hex Head Bolt Screw Material = Carbon Steel Plated Material = Stainless Steel