Tamiya Genuine 8mm Plastic Rollers with 520 Bearing Press-Fit These are 8mm plastic rollers from a set, with 520 bearings press-fit. As these are processed parts, they are listed as "like new." Selling due to home organization during the year-end and New Year holidays. #Mini4WD #Tamiya #TAMIYA #Teppan (Lantern) #Flex #Carbon #Chassis #MS #Rollers