Caster Wheels, Heavy Duty Casters Threaded Stem Casters No Noise Swivel Casters Set of 4 Locking Castor Wheels for Funiture, Workbench, Carts (4 Inch, American Size 1/2''-13×25mm)

Side- Brake Stem Caster Wheels -- The Swivel Stem Casters are make of soft high quality TPR, the red casters are make of PVC. Casters are smoothly movable, no noise and will not damage the floor. SWIVEL & STABILITY & STURDY -- Large capacity; 360 Degree Rotation; Swivel casters; Side Locking Brakes; Soft TPR, no noise; FLEXIBILITY & SAFETY & STURDY; Side lock mechanism ensures stability! Heavy Duty Casters -- Threaded stem swivel casters are quality assured, casters of heavy duty, locking casters, safe and labor-saving to use! It is unnecessary helper for daily work! The SCREWS sizes of the four 3 inch stem casters are different: Metric Size M10-1.50×25mm; Imperial Size 5/16''-18×25mm; American Size 1/2''-13×25mm；NOTICE: Please choose the right size according to your needs! 3 inch/4 inch Casters & HEAVY CAPACITY -- 3 inch casters: 450Lbs capacity; 4 inch casters: 600Lbs capacity. Complete accessories are included for easy installation. Labor-saving and easy to use, widely used for different occasions! 100% Warranty & Customer Satisfaction! Widely Application Casters -- The caster wheels with side brakes lock mechanism are safe, quiet, no noise, no marking, which are suitable for carts, trolley, furniture, workbench, warehouse, kitchen, offices, hospital, factory, industry etc. The casters will make work more easier and convenient!