Full Plastic Bracket Medical Caster Wheels With Locking Brake Threaded Stem

4" Medical Caster Wheel Full Plastic Bracket With Locking Brake Threaded Stem Feature: Medical Caster Swivel with Total locking Brake, housing made of Polyamide, double ball bearing swivel head,Plate Swivel Fixing. Wheel centre made of Polypropylene, Tread: Thermoplastic Rubber, grey non-marking, precision ball bearing,Recessed axle with plastic cap covers. Specification: Stock #: ME0004 ME0005 ME0006 Caster Type: Swivel and Brake Mounting Type: Plate Stem Size: 74x45 Wheel