4 Casters Set 8 X 2 Swivel Lock Phenolic Wheel Caster Black

4 Casters Set 8" X 2" Swivel Lock Phenolic Wheel Caster Black. 8"x2" - 4 Caster Set. 4 SLSB (4 Swivel Lock Swivel with Brake) - 2 SLSB + 2R (2 Swivel Lock Swivel with Brake + 2 Rigid). 2 SLSB + 2S (2 Swivel Lock Swivel with Brake + 2 Swivel).

2 SLSB + 2SB (2 Swivel Lock Swivel with Brake + 2 Swivel with Brake). Top plate : 3-15/16" x 4-1/2".