... casting high strength pressure pump head, make the product more durable and solid, precision machining of the oil pressure piston, ... square )•Grease gun nozzle is divided into ( cone type, sharp, universal glib glib ) is M20 x 1.5,1 inch ... resistance, gasoline, kerosene and lubricating oil, water, ethanol and petroleum ••liquefied gas on the product dissolves and decomposition, achieve excellent sealing ...