Bltb-45 hydraulic breaker specification: Weight 189 kg Length 1265 mm Required oil flow 20-40 l/min Working pressure 90-120 kg/cm2 Impact rate 700-1200 b.P.M Hose diameter 1/2 in Chisel diameter 45 mm Chisel length 450mm Applicable excavator 0.8-1.5 ton