15crmo gb6479-2000 108*4.5-6-8-9-10-10-12 

15crmo gb6479-2000 159*6-8-9-10-10-12 

 15crmo gb6479-2000 219*8-9-10-10-1-12-14 

15crmo gb6479-2000 273*8-9-10-11-12-14-15- 16-20-28 

15crmo gb6479-2000 325*8-9-10-11-12-14-15-16-20-25 

15crmo gb6479-2000 377*10-11-12-14-15-16-20-25 -40

15crmo gb6479-2000 426*10-11-12-14-15- 16-20-25 -40

15crmo gb6479-2000 457-508x14.2-17.5-22-45-52

15crmo gb6479-2000 530-558.8x16.8-60-70