... Kato, Catepillar, Sumitomo, Kobelco etc.Guarantee2050 working hours Sprocket for Komatsu, Hitachi, Kato, Catepillar, Sumitomo, Kobelco ... 13mm,bottom 4-6mm ProductSprocket ,sprocket wheel ,sprocket segmentModelKOMATSUPC60-7,PC130,PC200,PC300,PC360,PC400,D30/31,D50 ... ,SY220-6,SY230C,SY230F,SY310RC2.2-6,SY310R.2-6,SY300.2-6,SY300A.2-6,SY420R.2-6,SY420R. ... only. More details SK200 EXCAVATOR SPROCKET