Manufacturer: Seikojo (Shoho International Trade); Product Contents: Main unit SHHG2940 (model number SH3015), Allen wrench, Oil-smell, Protective glasses; Product specifications: Size: H 4.1 x L 13.4 x W 12.6 inches (104 x 342 x 317 mm); Weight: 6.1 lbs (2.5 lbs (2 lbs (2 - 4 mm); Compatible pin loads. 30 Sticks (3 Continuous x 10 pieces); Air Pressure: Within 8 kf/cm2; Usable Air Hose: Inner Diameter of 0.2 inches (6.0 mm) or higher *Can be used with gas pins from other brands on the market. Product Features: Air pin hammer that can hit gas pins. You can hit the gas pins used in many commercial gas pin hitters with this product. Can even hit runners with a thin tip of 0.6 - 0.8 inches (16 - 20 mm) wide. Use regular pressure compressor to increase your work efficiency. Compatible with steel plates (H steel) by gas pins used.