Features: brand new and high quality Time-saving and labor-saving: strong adsorption force, furniture is not easy to fall off the skateboard, easier and more convenient to use Curved anti-dropping: The rocker fulcrum is heightened, and the support is at a right angle of 90 degrees, which fits the edge of the furniture, and prys up to protect the furniture Enlarged rollers: The high-strength engineering plastic rollers have for stronger load-bearing capacity. Each group of 9 pulleys can ensure the quality while being ultra-quiet and more efficient. Flexible steering: the universal wheel can be rotated 360 degrees, which is more convenient and labor-saving Wide range of applications: a variety of grounds, easy to deal with, a variety of smooth and flat grounds can be used Specifications: Material:Plastic Style1: engineering plastic Style2: heavy carbon steel Note: 1.Please allow 1-2cm errors due to manual measurement, make sure that you do not mind before you order. 2.Due to the difference between different monitors, the picture may not reflect the actual color of the item. Package includes: 1Set Moving Artifact