1.Diameter of chisel :135mm 2.Alloy steel 3.Length of chisel:1200mm 4.Certificate:ISO9001:2000,CE Hydraulic hammer chiselWe are specialized in manufacturing the Hydraulic Breaker Spare parts:such as the Hydraulic Breaker Chisel, Outer-shell, Thrust Bush, Out Bush, Stop pin, Rod pin and so on. Hydraulic hammer chisel