Kit of 4 durable nylon casters. Wheels with brake Structure that rotates 360 degrees on itself (pivoting). Fitting using an M8 (8 mm) thread of 15 mm in length. Wheel diameter: 40 mm. Maximum supported load capacity: 20 kg. Swivel wheel designed for use in furniture, cars, chairs, tables, etc. High quality wheel, light and durable. The wheel allows it to rotate 360 degrees. High strength and quality metal fixing. Specifications Kit of 4 durable nylon casters. Wheels with brake Structure that rotates 360 degrees on itself (pivoting). Fitting using an M8 (8 mm) thread of 15 mm in length. Wheel diameter: 40 mm. Maximum supported load capacity: 20 kg. Ideal wheel for assembling furniture, cars, chairs, tables, stools, etc.