RILIDRI 3-Inch Caster for Wire Shelving Racks, Heavy Duty Scaffolding Wheel with Brake, Set of 4 Metro Shelving Replacement Wheels(.864" x 2-3/16")

CASTER REPLACEMENT FOR WIRE SHELVING RACKS - 3 Inch stem caster set fits inside the tube framing of Metro shelving, Quantum storage shelving racks, Uline shelves, and scaffolding with 4.3" Mounted Height. | FIT 7/8" ID TUBING- Set of 4 scaffold wheel with .864" Diameter x 2-3/16" Long round friction ring stem fit for 7/8" ID Tubing Only. | HEAVY DUTY LOCKING WHEEL - 220lbs load capacity per caster and set max loading 880lbs in total. 4 swivel casters with brakes, which is essential for stationary scaffolding stability and security. | QUITE & SMOOTH ROLLING - Soft rubber treads with ball bearing swivel for super smooth and Non-marking mobility. -- protect your floors. | ATTENTION: This thermoplastic rubber wheel is Not a threaded stem, please meassure the ID tube of wire shelving racks before purchasing in case for not fitting.