General description These Sollbry Office Chair Caster Wheels are designed for heavy-duty use, featuring a robust brake system that allows for easy movement and secure locking. Suitable for various types of furniture, including shelves, storage racks, and trolleys, these casters provide both functionality and convenience. Technical specifications Material: Iron + Polyurethane (PU) Color: Black Thread Size: M8 x 25mm Rated Load: 240kg (60kg each) Dimensions (including screws): 81 x 35 x 60mm (3.62 x 1.62 x 2.36 inches) Wheel Size: 41 x 20mm (1.61 x 0.79 inches) Other information Package Includes: 4 x Brake Casters Note: There may be an error of 1-3mm in measurements.