Weight 18kg
Overall length 550mm
Diameter of cylinder 58mm
Piston stroke 45mm
Inner diameter of air pipe 19mm
Inner diameter of water pipe 8mm
Specification of bit shank 22*108mm
Service air pressure 3.9-5.9 * 105 Pa (4-6 kgf/m2)
Service water pressure 3.9-5.9 * 105 Pa (4-6 kgf/m2) 
Storage capacity 200ml