Caster Mounting Type Plate Load Rating Range 300 to 999 lb Load Rating 440 lb Wheel Dia 3 in Wheel Width 1 1/4 in Inside Bolt Hole Spacing 2-3/8 in x 3-1/8 in Wheel/Tread Material Nylon Caster Brake Type Leveling Pad Core Color White Wheel Core Material Nylon Frame Finish Zinc Plated Quick-Engage Pedal-Style Leveling Plate Caster Mounting Bolt Dia 7/16 in Outside Bolt Hole Spacing 2-3/8 in x 3-1/8 in Swivel Raceway Type Double Ball Standards DIN EN 12530