Key benefits Onehanded operation with double handles: allows you to reach, lock, and operate the grease tool coupler even in tight or awkward spaces. Durable stainless steel construction: built to withstand demanding use, with a maximum rating of 17000 PSI. Universal nozzle compatibility: fits M6, M8, M10, M12, and M14 oil nozzles, suitable for grease, pneumatic, manual, and electric tools. Strong and reliable performance: strength, lightweight, wear resistant, and provides sealing. Specifications and features Material: stainless steel Pressure rating: up to 17000 PSI Fitment: M6 / M8 / M10 / M12 / M14 oil nozzles Applications: suitable for grease, pneumatic, manual, and electric tools Characteristics: strength, light weight, wear resistance, sealing performance Practical applications Automotive and machinery maintenance in cramped engine bays where onehanded operation is advantageous. Industrial equipment servicing where space around fittings is limited. Bicycle or small equipment lubrication that uses different nozzle sizes and requires reliable sealing. Usage scenarios Reaching into tight engine compartments to lock and connect the coupler for quick grease application. Lubricating gearboxes or hydraulic components on factory floors with restricted access. Servicing bicycles or small power tools that use M6/M8/M10/M12/M14 nozzles, ensuring a clean seal and minimal leakage.