These Sure-Grip bushings come in 4 durometers for your preference:
Yellow - 79a
Purple - 85a
Red - 93a
Fit most plates that do not have a top and bottom specific bushing
like Nylon, Dynapro, Triton, XK-4. Won't fit on Reactor, Proline, Power
Trac, Roll Line.
Sold as a set of 8 bushings.
6 color options; a little thicker than Riedell's
8mm 8-pack (16-pack avail); 7mm 16-pack only;
85a, Multipe Widths