OuYi 1.5" Stem Casters, Screwed Bolt 5/16" x 1" - 18, Heavy Duty Swivel Stem Casters with Brake Lock PU Foam Quite Mute No Noise Castors Markless Wheels Double Bearings, 4 Pack with Nuts Specifications: Threaded Stem Bolt Diameter: 5/16" Wheel Size: 1.5"/ 40mm
Type: Swivel Stem Casters This is a set of 4pcs heavy duty rubber non-marking polyurethane Rubber swivel Screw Stem Casters with brake.