Rotate 360 degrees. Super Silent & Sturdy. Soft and non-skid wheels won't mark floorsCapacity: Total 100 lb for 4 casters. Bearing: Single ball bearing( 606zz bearing). Wheel Brake: ONLY locks the wheelWide range of uses: Commonly used for small projects and movable furniture including dressers, crates, chairs, under bed storage, shoe bins, toy bins, cabinets, bookshelves, easel, plant stands, footstools, etc...swivel casters can be used in both industrial and residential applicationsBall bearing: Single ball bearing.colour: Silver + brownmaterial: TPR+ metalsize: Wheel Dia.: 1 inch (25mm),Wheel Width: 0.5 inch (13mm),Overall Height: 1.5 inch(38mm),Plate Size: 1.5 inch (38mm) x 1.3 inch (33mm),Hole center to hole center: 1.2 inch(30mm) x1 inch(25mm),Mounting hole diameter: 0.15 inch(4mm),Screw Size: 4mm (diameter) x 16mm (length),Package Contents:8 x Universal casters (4 with Brakes & 4 Without)32 x ScrewOnly the above package content, other products are not included.Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.