Made of Stainless Steel: The high pressure hand pump is made of stainless steel, with high hardness and lightness, which can reduce friction when pulling the pneumatic pump. 4 Stage Hand Pump: The 4 stage air rifle high pressure hand pump is lighter and more labor saving than the 3 stage pump, and has a variety of connectors. With Pressure Gauge: The measuring range of the pressure gauge is 0-6000Psi, the working pressure is 0-4500Psi, the display is accurate and has explosion proof pressure protection. Built in Oil Water Separator: Built in double layer oil water separation tool, internal use excellent filter, with good filtration, can achieve 90% water oil separation effect. Wide Applications: The high pressure hand pump can be used in various situations, such as most PCP pistols, rifles and air guns, footballs, inflatable boats, cars, etc. Item Type: 4 Stage High Pressure Pump Working Pressure: 0-30mpa/0-4500psi Pressure Range: 0-40mpa/0-6000psi Material: Stainless steel tube + copper piston Color: Stainless steel color Quick Connector: 8MM quick connect female Tire Joint: American style. 1 x Air Pump. 1 x Pressure Gauge. 1 x Air Hose. 1 x Multifunctional Wrench. 1 x Hex Wrench. 1 x American Connector. 1 x Quick Connector Male. 11 x Sealing Rings. 1 x Oil Water Separator Accessory Kit (1pc Oil Water Separator + 20pcs Filter Cotton + 20pcs Filter Rods + 2pcs Sealing Rings + 2pcs Gaskets). 1 x User Manual. Please note that the new type and old type of this product will be sent randomly, and make sure you will not mind before ordering. Our listing price includes the value of goods, packaging cost, and export. Please check with your country’s. We will reply your message within 48 hours. If you do not receive our reply within 48 hours, pls. Post a message again because sometimes our message system may block some emails. If you are satisfied with our service, pls. Our aim is to provide Level Customer Service, your recognition will encourage us greatly and serve you better. We strive to keep all our customers satisfy. We will do our up most to exceed your expectations in customer service, communication and dispatching of your orders.