Rock N Roller RCSTR4X1 4-in. G-Force Caster With Brake for R2, R6 Carts - 2-Pack

Replacement casters with brake for Rock-n-Roller cart models R2 and R6. This 4" x 1" yellow caster features a brake and polymer hub bonded to soft TPR tread.

Sold as a set of 2 caster wheels with nuts and lock washers. The caster stem is 1.5" x .5" with 13 threads per inch.