This 6pc pneumatic air grease gun is ideal for use in factory mainntenance, agricultural applications, feet service or for use on trucks connected to vehicle air brake compressors, Utilising a compressor,you are able to have a powerful shot of greae discharge with every press of trigger, FEATURES: 1.6PC Air Grease gun(pneumatic) 2.air operating range -4--120PSI 3.chrominum plated tube or spray-paint. 4.Capacity-400CC, plete with 160mm steel extension and 300mm extension. 6. Flexible hose and standard couplers could be option