Product features: High-pressure piston: Fast oil discharge, the piston adopts an electroplated to prevent rust, low friction, and prevent grease overflow. Single plunger design, more users' choice Function: It is used for the daily maintenance and upkeep of automobiles, machinery and other equipment, providing sufficient grease to each component in a timely manner to the normal operation of the equipment. Scope of application: Automobiles, excavators, mechanical tools Product Specification: 400CC Product pressure resistance: 6000-7000PSI Oil delivery capacity: 200g/min name:Pneumatic oiling tools Color:As Shown Material:Plastic + metal Hose:9x300mm Package Contents: 1 * pneumatic oiling tool 1 * oil pressure plate 1 set * accessories Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.