4 Pcs Easy DIY Ball Transfer Units

Description: Get your storage racks / boxes, trash can, drawers, and anything moving by simply attaching these Ball Transfer Units (comes with a set of 4) to the bottom! Main Features: 360 degrees universal rotation: flexible, high-speed, and stable casters. it works perfectly for the drawer so that you can roll it out with minimal effort! Made of high quality carbon steel (strong and durable) When using 4 casters, they can afford up to 7kg Self-adhesive (easy to install) Specification: Product Size 4.5x2.8cm / 1.7x1.1in Product Weight 52g / 1.83oz Package Component 4 x Easy DIY Ball Transfer Units ?