China Sb20 Top/Pencil Type Hydraulic Breaking Hammer with Chisel Diameter 45mm, Excavator Attachment, Find details about China Sb50 Side/Pencil/Silence Type Hydraulic Breaker, Sb70 Side/Pencil/Silence Hydraulic Breaker from Sb20 Top/Pencil Type Hydraulic Breaking Hammer with Chisel Diameter 45mm, Excavator Attachment