Plastic moulded single sided wheels all with 3mm bore.
For use with our BR30 Brass. Also fits the MRG Multi ratio gearbox, or SSR61 Steel, SSRB61 Brass wood screws.
WT25 25mm dia x 8 wheels
WT37 37mm dia. x 6 wheels
WT42 42mm dia. x 6 wheels
WT50 50mm dia. x 4 wheels