This set of 8 swivel casters with brakes will be a great accessory for small equipment and furniture like workbench, trolley, coffee table, plant stand, bookshelf, shopping cart, etc. These casters are made of PP (polyurethane) which is distinguished by a good shock and vibration resistance, enabling these casters to run smoothly and quietly. Additionally, their soft surfaces effectively protect your floor from scratching. Besides, the iron frame is highly rust-resistant and thus adds to the catser's sturdiness and durability. Additionally, these swivel casters are equipped with brakes for flexible control. Each caster has a maximum loading capacity of up to 50 kg. Delivery includes 8 swivel casters with brakes.