FHC Masteroll BB Roller 7/8" [Diameter] - 0D679

The FHC 0D679 Nylon Roller is used in conjunction with the Masteroll Components to make unique efficient interior Pass-Thru service windows. Use Screw lock adhesives to secure tightly on the Hangers. 

Nylon Roller for 0D28 and 0D29 Hangers | Ball Bearing Technology