Autobahn88 Stainless Steel Hose T-Bolt Clamp with Stand Cradle, Fit for Hose OD Size = (1.6-1.8 Inch (41-46mm)), for Fuel Pump, Filter, Hose, Plumbing (Pack of 1) effective range (OD): 1.6 - 1.8inch (41-46mm). Remember to consider the wall thickness of the hose Stainless Steel 304 Clamp Width: 0.76 inch (19mm) Application: Oil / Fuel Filter, Pump ,Motor center-to-center hole distance around 50mm