... steel with high quality 2. Suitable to small excavator 3. Competitive price. Sprocket 1. Material: High quality with alloy steel or Mn ... ,PC300-6/7,PC400-6EX30,EX60,EX100,EX100M,EX150,EX200-1,EX200-2,EX200-3/5,EX300-5,EX400,UH063,UH083 ... ,SK60,SK100,SK200,SK220,SK230,SK300MS110,MS180DH55,DH280HD450,HD820 Steel Hitachi Excavator&Bulldozer spare part sprocket