For Rock-N-Roller Carts. RockNRoller. Replacement Part. Hal Leonard #RRK1. Published by Hal Leonard (HL.1427799).
UPC: 672485345411. 15.0x14.0x4.25 inches.
Compatible with the Multi-Cart R6, R10, and R12 carts, the RRK1 Cargo Extension Rack from Rock-N-Roller Multi-Cart easily attaches/detaches to either end of these carts and adds approximately 20% of cubic cargo capacity.