... carton steel, boron steel 4.Stock Komatsu Cutting Edge, Dozer Cutting Edge, Grader Cutting Edge, Loader Cutting Edge 1. Product Information: MaterialCarbon steel or ... TimeWithin 7 days after receipt of payment2.Advantages / Features:Cutting edge:We has introduced Boron steel(heat treated) in producing ... with machine model and part No. , thank you! Komatsu Cutting Edge For Dozer D80,D85,D155,D375