CS Unitec's 2BPG Pistol Grip Needle Scaler Service Kit includes: 2B/2BPG 3mm needle holder, 19 qty. 3mm chisel tip needles, 2B/2BPG anvil, 2B/2BPG piston, valve stem, 2B spring return, spring valve, throttle lever, o-ring square section w/seat, o-ring valve cap (10.8x1.78), o-ring (36.3x1.78) and spring pin (1/8"x1" long). Since 1990, CS Unitec has developed a line of high-quality, professional power tools and non-sparking safety tools. Our pneumatic tools, electric tools, hydraulic tools, and safety tools are designed for very demanding applications in construction, rust protection, petrochemical, mining, marine and other industries. Click on the CS Unitec link at the top of this page to shop the CS Unitec Brand Store.