Rotate 360 degrees Smooth & Silent & Sturdy. The total locking brake locks both the wheel and the swivel. Multiple uses can be installed in hand trailers, workbenches, tables, beds, wardrobes, building scaffolding, etc. Double bearing high-quality high carbon steel material and steel ball, the long service life of rolling contact. There is almost no resistance to taxiing. Quiet wheel Made of polyurethane material to reduce tire noise, tread width 1 2/11", wear-resistant. Heavy-Duty The load weight of each wheel can reach 400LBS, the mounting surface size is 3.7 x 2.5", the screw hole size is 0.32 x 0.46".