Tracotr Parts Material: Alloy Steel Impact:21-30J, Hardness:48-52HRC Certification:ISO9001:2008 ISO14001 Tractor Partsbucket tooth for G.E.T.We focus on offering bucket teeth, adapters, blades,cutting edge,end bits,power bolt and etc which applied to Construction Machinery (Excavator, dozer, grader, loader...)- CATERPILLAR STYLE J250/J300/J400/J450/J500/J550/J600/J650...- KOMATSU STYLE PC100/ ...