Made from high quality materials, it is durable and functional. Hardened and plated connecting balls. Protective caps ensure low torque and long service life. Omni-directional rotation, easy to use. Product describe The product is made of materials of high quality, durable and functional. This handy ball bearing is perfect for building movable surfaces around the home, garage, or professional shop. You can also use it for a variety of non-industrial applications including commercial signage and airport traffic. Feature Color: As pictures show. Material: stainless steel Dimensions: approx. 3 x 3 x 1.5cm / 1.2 x 1.2 x 0.6inch (L x W x H). High quality material, durable and functional. Reinforced and plated mounting balls. Lid protection ensures low torque and long life. Omni-directional rotation, easy to use. Scope of delivery: 1 set of 10 stainless steel swivel ball bearings mounted on ball bearings