CLQya Castors 4 Heavy Duty Casters M14 M16 Thread Stem Rubber Silent Universal Swivel 400Kg Trolley Industrial Transport Wheel with Brake for Dining Car Mechanical Furniture -Screw,4 inch M14

2x swivel with brake and 2x swivel castors, double ball bearing swivel head with 14mm and 16mm bolts Dimensions and Load: 4" Diameter 100mm Thread Size: M14 x 30mm or M16 x 30mm, each set of 4 inches load 880lbs It is made of natural rubber material and runs quietly during operation without noise. Dustproof, anti-winding, built-in ball bearing, strong bearing capacity High quality The wheels are made of natural rubber and operate very quietly to absorb shock and vibration. Ball bearings and double locking for maximum load carrying capacity and safety. Universal Wheels can be used in a variety of applications including: flight cases, instrument boxes, display / display equipment, carts, tool boxes, light machinery, equipment racks, mobile workstations, speakers, cabinets, brackets, amplifiers, electrical enclosures, furniture, etc., Manufacturer: CLQya