SWIVEL, STANDARD PLATE CASTER, LOAD RATING 325 LB, SWIVEL LOCK TYPE TOTAL LOCK, WHEEL DIA. 5 IN, WHEEL WIDTH 1 1/4 IN, WHEEL/TREAD MATERIAL THERMOPLASTIC RUBBER, WHEEL CORE MATERIAL PLASTIC, NON-MARKING YES, NUMBER OF WHEELS 1, CASTER BRAKE TYPE TOTAL LOCK BRAKE, TREAD SHAPE STANDARD