Rolltrak Replacement Roller 38mm SKU: 210383 MODEL: R4057 Error. try again later You've successfully joined the club $ 19 .98 each Mitre 10 SAvailable at selected stores. Check your local store for details Variants Bearing acetal grooved offset roller. Use R4058 stainless steel axle and nut. Features and benefits Diameter: 38mm. Bore: 6.4mm. Axle length: 31.5mm. Load: 30kg each roller.