Rolltrak Shed Door Carriage and Roller 52mm White SKU: 210359 MODEL: R1900 Error. try again later You've successfully joined the club $ 19 .98 each Mitre 10 Variants Plastic body carriage and acetal roller. Features and benefits Plastic body. Acetal roller. Suits Treco, Victa, Shed Man and many others. Light duty.