2.375 Inch MRI Safe Caster with Brake – 12mm Threaded Stem – Service Caster

Wheel: 2-3/8" - Gray Non-Marking Thermoplastic Rubber Capacity: 66 lbs./caster Threaded Stem Size: 12mm diameter - 1.75 TPI x 22mm length Mounting Height: 2-11/16"You may also like 3.5 Inch 316SS Green Poly Swivel 3/4 Inch Expanding Stem Caster Lock Brake SCC.