... reliability, and durable Kinds of breaking bits Introduciton:Patented Portable Hydraulic Breakers, can efficiently crash on concrete, reinforced concrete, asphaltum, rock ... Character of Patented Portable Hydraulic Breakers: Small, light, easy to movePowerful concussion, slight reboundnessLow noicse, reliable, endurableMultiple hammer for choiceSpecification: TypeBR40BR40SBR45BR45SBR72BR72SWeight(kg) ...