Roller Chain/ Roller Conveyor Chain 3" Pitch For Frm Track Machine As Per Plas Ser Part No Su-3" Pitch, Renold Part No 105112/12" Minimum Breaking Force 54000 Newton, M Aterial Specification For Plate(Link): Steel Grade- 55C8 Of Is 5517 With Through Hardened. F Or Roller, Bush And Pin: Steel Grade- 16Mn5Cr4 Of Is 4432 With Case Hardened. Make- Plasse R Or Rollan Or Mp. [ Warranty Period: 18 Months After The Date Of Delivery ] ]