Rolltrak Replacement Roller Axle Pin 20mm SKU: 210379 MODEL: RT-4053 Error. try again later You've successfully joined the club $ 17 .98 each Mitre 10 SAvailable at selected stores. Check your local store for details Variants Adjustable axle pin for roller. Features and benefits Pin length 20mm. 6.3mm diameter. Width 2mm. Bore 4.8mm. Use R4051 roller. Note, axle length is different to R4056.