Ear Clamp Pliers. For the simple and reliable mounting of 1-ear and 2-ear clamps (Oetiker system or similar) No damage to press points on the ear clamps The slim head permits good accessibility in confined areas Versatile use for clamps on CV boots, cooler and fuel lines, air pressure systems, compressors. Capacity half-moon Capacity in square millimetres Square drive Capacity square Capacity step-like square Capacity triangular Clamping width hexagon Clamping width round Clamping width square Clamping width