6 Inch High Temp Phenolic Swivel Bolt Hole Caster Set with 2 Total Lock Brake

These Service Caster Series #20 High Temperature Phenolic casters offer various wheel sizes and mounting heights: 3” Wheel: 4-1/8” mounting height; 4” wheel: 5-1/8” mounting height; 5” wheel: 6-1/8” mounting height; 6" wheel: 7-1/8" mounting height. Weight Capacity: 3", 4", 5", and 6": 300 lbs Capacity/Caster All casters feature a 1/2” diameter bolt hole. Bolt hole casters have a hole in the rivet which can accept a bolt or a customized stem for any type of mounting requirement. Brake options include a top lock brake (TLB) or a total lock brake (TTL). The top lock brake (TLB) places a positive locking force against the wheel tread locking the wheel only. The total lock brake (TTL) also places a positive locking force against the wheel tread, but the total lock brake (TTL) simultaneously locks the wheel and the swivel for a complete stationary position.