Durable Design. Rubberised Wheels. Ball Bearing Swivel. Easy To FitWheel Diameter: 100mm Height: 132mm Mounting Base: 64 x 94mm Fixing Holes: 10mm. A set of 4 large 100mm swivel casters- two have break facility. Perfect for anyone who needs a robust and durable caster for their cabinets or flight cases. The zinc plated steel frame and ball bearing swivel ensure that this caster will withstand any amount of hard use- while the rubberised plastic wheel ensures a smooth ride. These casters can be fixed in place with four screws or bolts through the base plate- making it a versatile and reliable option for anyone needing a top-quality swivel caster. The break puts a positive lock on wheel as well as the swivel.. flight case caster-flight case wheel