Gison GP842 (made in Taiwan) is an air punch and flange tool.
| Capacity | Steel: 1.2mm Aluminium: 2.0mm |
| Punch Diameter | 4.8 mm |
| Net Weight | 1.30 kg |
| Length | 250 mm |
| Air Consumption | 0.85 m3/min |
| Air Inlet | 1/4″ |
| Hose Size | 6.5 mm |
| Sound Pressure | 85 dBA |
| Air Pressure | 90 psi |