Fitment: This hose clamp tool is suitable for 1.8-5.4cm diameter clamps, easily replace fuel, engine oil and water pipe or hose. Fitment: This hose clamp tool is suitable for 1.8-5.4cm diameter clamps, easily replace fuel, engine oil and water pipe or hose. Ergonomic Design: Collar pliers design with ergonomic handle, labor-saving, smooth surface is comfortable, not tired when using. Convenient to Replace: Ideal for working in confined engine compartments. Perfect for 1.8-5.4cm diameter clamps, easily replace fuel, engine oil and water pipe or hose. 4cm diameter clamps, allow for easy replacement of fuel, engine oil, and water hose or pipe. Special Design: The clamp has a ratchet and locking mechanism to hold the clamp in the open position. Allows the technician to access flat-type hose clamps located in hard-to-reach areas. The sturdy cable flexes to almost any position. Convenient flexible hose clamp pliers for easy removal and installation of clamps.