1.Specification (1) weight: 1000kg (2) chisel diameter: f100 mm (3) suitable excavator: 11-16 ton 2.Hammer suitable forcat312, 315, pc100, pc120, etc. 3.Warranty (1) 12 months or (1500 hrs): cylinder, piston, valve, back head * (2) 06 month or (1000 hrs): front head * (3) 03 month or (500 hrs): front bush, brackets * (4) 01 month or (100 hrs): chisel pin, accumulator *