Tidy Track Roto PadsTM
Easy-to-apply refill pads for N and HO / On30 scale Roto Wheel Cleaners. Will not scratch wheels. Contains enough material for . . .
HO / On30 gauge: 3 sets of cleaning pads and 1 set of scrubbing pads, or
N gauge: 6 sets of cleaning pads and 2 sets of scrubbing pads
Woodland Scenics #TT4562.