iThrough D&L 4 inch Plate Swivel Casters Wheels 1800lbs Heavy Duty Casters with Brake Polyurethane Dual Locking Casters Set of 4 Red DL-I4-001 : Amazon.it: Fai da te
Heavy duty castors: high-quality and robust | Blickle
5" Swivel Plate Casters Wheels with Screw Safety Dual Locking and Polyurethane Foam No Noise Wheels,Heavy Duty-550 Lbs Per Caster: Amazon.com: Industrial & Scientific
Swivel Braking Casters Wheels | Soltecshop.com
Swivel Caster Wheels for ½" Pipe (4-Pack) — PIPE DECOR
12x4 HEAVY DUTY PNEUMATIC SWIVEL CASTER - Allied Caster