HCL Air Pneumatic Ear Clamp Installation Tool - Fast, Effortless & Consistent Crimping! Revolutionize your assembly process with the HCL Air Pneumatic Ear (Pinch) Hose Clamp Installation Tool. This powerful pneumatic tool provides a fast, effortless, and repeatable crimp for ear clamps, making it the definitive solution for high-volume production lines and repetitive assembly tasks. Calliper Jaw style tool able to install a variety of Ear (Pinch or O) Hose Clamps including Mikalor's Single, Double Ear Clamps, Oetiker's Stepless & many others - see technical booklet to ensure correct configuration or contact us for further advice. Affordable: HCL Air Tools are the most affordable in the market today. Branding Options: Colours Logo can be changed to suit client requirements. Tested Durability: Tool design has been tested over many 100k cycles