Model GH-1
Minimum pressure from excavator	12 ~ 14
Oil Flow	25 ~ 50
Frequency (b.p.m)	550 ~ 1100
Length with chisel (mm)	1200
Mass with Chisel (Kg)	116
Total Mass with bracket (Kg)	147
Recommendable excavator's mass (ton)	2.0 ~ 3.5