Tascm MM-20 shell top and bottom no screws this is the measure of

this is the measure of the roller hub (the metal bit) that the tyres fit over

very clean and tidy if you have one of these machines its worth having as a spare

Looks in very good condition chopped wires midway so you can have enough room to join on without soldering or if you need match  others up

if thats a worry for you i will see best I have though its a very easy change

Price for one though I would not normally think this would be needed as a spare often but listed anyway

Tascm MM-20 shell top and bottom no screws this is the measure ofQuite good condition shell top and bottom just plastic parts, ideal if you have a burned one or brokem