Tech Line Chair Caster, Black with Grey Tread, Friction Ring - Item #600-125 5 in.
Product #: CS600B0125BLGY5 ST600FR10125ZN5
Color: Black with Grey Tread
Wheel Diameter: 5 in. (125mm)
Overall Height: 5 in. (125mm) Mounting Method: 11mmx 22mm Friction Ring Stem Brake: Yes
Load Rating: 200 lbs. per caster