Caster Capable Of Braking Rotation, 4X Heavy Duty Expansion Tube Casters, 100mm Solid Rubber Wheels, Trolley Wheels with Brake, 4in

Scientific design: heavy duty rotating caster threaded rod M12*60mm, wheel diameter 3 inches, 4 inches, with brake, 4 wheels load 150 kg/330 pounds. New material: MPA encrypted nylon, with high elasticity and toughness, strong impact resistance, widened and thickened wheel surface, can absorb shock and vibration, very non-slip and quiet when driving, far from "squeaking ". 3mm thick steel plate bracket, galvanized material, high hardness, anti-rust spray paint, longer service life, reinforced rivets and improved bracket. 360° free steering without dead angle, double bearing steel ball structure built into the rotating shaft, smooth rotation and labor saving, sufficient lubricating oil, smooth steering without jamming, stable operation, safe and secure. Easy Installation:The pack comes with caster wheels set,free screw fitting. They will meet your immediate needs either at home, office or studios, warehouse, garage, workshop, yard, patio, garden, schools, shops and more,indoors outdoors.