8T8 3" Rubber Caster Wheels Heavy Duty with 5/16''-18 x 1-1/2" Threaded Stem Casters Set of 4 (Screw Diameter 5/16", Length 1.5"), Quiet and Smooth Rolling Castors for Furniture Hardwood Floors

["【Stem Casters Size】Pu Wheel Diameter: 3 Inchs, Threaded Stem Diameter: 5/16 Inch (7.9mm), Stem Height: 1.5 Inch (38mm). PLEASE NOTED: It's Not Metric M10 Thread.","【Heavy Duty Swivel】Made of high quality rubber with strong wear resistance,and precision sealed ball bearing for quiet and smooth operation. Each wheel can bear 150 lbs, Set of 4 can load up to 600 lbs.","【Locking Design】Set of 4.This option come with no brake for each wheel.If you need locking casterss for this wheel,please choose other option. View 8T8 store,you will find more wheels with or without brakes.","【Smooth & No Noise】Made of Polyurethane and Steel, roll quiet and no scratch on floor, PU rubber wheel will keep quiet movement on hard wood floor without scratch,wear-resistant and no noise.","【Various Application】This heavy duty caster can be used in multi-place such as furniture tables chairs, home improvements, industrial flitting, shopping carts. Especially for heavy objects like metal shelving, Fitness Equipment,heavy cutoff saw,mobile bed tray etc. Save energy using rolling instead of carring."]