4Pcs Paste Type Casters Casters 360 Degree Universal Wheels Sticky Low Noise Storage Box Rollers Steel Rope Pulley AccessoriesNo more worrying about heavy boxes and dirty rooms! All you need is a universal pulley that can be rotated freely and has a strong load, which can help solve all the problems caused by heavy objects! Main Features[Effective Labor Saving] just paste the universal circle on the bottom of the box, and the heavy box can be easily moved! Suitable for handling and cleaning, can be used for different types and sizes of storage boxes and packaging boxes. [360 Degree Free Rotation]Ball-shaped pulley, can Move to any angle, not restricted, completely silent when in use. Suitable for cosmetics organizer, kitchen, countertop, bedroom, bathroom, living room and floral to put on the storage shelf. [Good Bearing Capacity]The roller stand is made of high-quality ABS material, which is strong and wear-resistant, with a long service life. It can easily move heavy objects without pressure. [Easy to Use]All you need to do is attach the seamless glue to the pulley and place the pulley on the bottom of the box for 24 hours to use it. Smooth pulley let heavy items no longer worry! Using MethodSpecificationsMaterialsABS + Stainless SteelProduct Weight37G Package ValuePaste Type: Universal Pulley (4 Pieces) × 1ColorWhiteProduct SizeNoteDue to manual measurement, please allow slight deviations for measurement. Due to different display and lighting effects, the actual color of the item may be slightly different from the color displayed on the pictures.