Rock N Roller RCSTR8X2 All-Terrain Caster with Brake 8" x 2" (2-Pack for R12) Adapters The high internal rail voltage

The high internal rail voltage is able to handle the dynamics of today's active instruments without choking and deliver the smooth

Expanded foot control and MIDI capabilities are also included

Bi-amp powered speaker

and the most copied harmonica design worldwide

8 pairs of City Series steel jingles

Rock N Roller RCSTR8X2 All-Terrain Caster with Brake 8" x 2" (2-Pack for R12) Adapters The high internal rail voltageCustom designed and upgraded R Trac casters feature pneumatic tire like cushion ride, a locking brake on the assembly, low rolling resistance and are extremely lightweight with no flat functionality. Sold as a set of 2 casters with clevis pins and cotter pins