4" x 2" Grey Thermoplastic Rubber (TPR) Wheel Swivel Caster with Total Locking Brake - 400 Lbs Capacity

4" x 2" Grey Thermoplastic Rubber Wheel Swivel Caster with Total Locking Brake - Part #: 146PERG420SBTL Thermoplastic Rubber Wheels combine the advantages of both a hard & soft tread material in a single wheel, making it one of our favorite caster wheels. Like a hard tread wheel, thermoplastic rubber rolls easily & is very durable. Like a soft tread wheel, it is quiet, protects floors & has a cushioned ride. These caster wheels also hold up well when exposed to weather, are resistant to chemicals, water, steam & reject floor debris.  We highly recommend these caster for applications requiring non-marking, floor protective, quiet & smooth rolling wheels. We would not recommend these wheels for applications that require sitting in one spot for long periods of time under heavy loads. * Total locking brake casters work best with softer wheels like neoprene, soft rubber, thermoplastic rubber & polyurethane. The softer wheel allows the brake pad to grip the tread effe