Aluminum Roller To Replace The Bottom Roller Of KFI Standard (4.875") Roller Fairleads (SE-RF and ATV-RF) Hardware Included-(1) M10-1.50 x 110mm Hex Bolt GR8.8 Black(1) M10-1.50 Hex Nut Nylock Black Use With Synthetic Cables OnlyNOT To Be Used With Steel CablesMay be compatible with other brands. Before ordering for other brands, measure your fairlead roller