[Mounting Size] - Mounting Hole Diameter: 4mm / 0.16 Inch; Hole Center Distance: 25mm x 30mm / 1mm x 1.18 Inch
[Material] - The caster wheel is made of Polypropylene, it rolls smoothly and quietly
[Features] - Elasticity, toughness and durability. Rolling on all kinds of floors, including concrete floor, carpets, tile floor, wood floor, and slate floor
[Application] - Good casters for small equipment and furniture, such as table, plant stand, bookshelf, shoe bin, workbench, cabinet, cart, trolley