Features: - Alloyed-steel barrel and heat-treated piston. - Built-in power regulator and trigger control. - Coil spring retainer for fast-and-easy chisel changes. - Pistol Type design, hand-held operation flexible and convenient. - High-performance motor, durable. - High impact frequency, power output stable and smooth. - Equipped with 4 different blade to meet different operating needs. - After quenching, surface coating, durable fastening. - Intake air inlet volume can be adjusted according to actual needs. - Air intake filter design, effective filtering of impurities. - Applicable to paint, auto repair, hardware, ceramic lighting, stone processing, wall treatment (construction), carving process, grinding and other operation Name:Gas Shovel Impact Speed: 4500bpm Use Pressure: 6.2kgf / cm2 Work Schedule: 41mm Air Inlet:: 1/4 Air consumption: 3cfm Minimum Hose Size: 3/8 Application: Ideal for general cutting, drilling, rusting removal, chipping, and scraping Package include 1 x Air Hammer 4 x Chisel 4 x Chuck