Features 1、Smooth Rolling: 2.5in large diameter with brake ensures stable moving and high speed rolling as well. 2、Free Swivelling: Thickened and reinforced shaft enables flexible steering and free swivelling on road. 3、Good Materials: Polyester bring excellent load bearing capacity and durability. 4、Low Work Noise: Sturdy with shock and impact, the reliable movement has low noise and timely braking. 5、Convenient Use: Very convenient to install on trolley, cart, etc., which can be completed in minutes. Specification Item Type: Swivel Caster Wheel Material: Polyester Wheel Diameter: 63mm (2.5in) Height (not including screw rod): Approx. 95mm / 3.74in Tread Width: Approx. 32mm / 1.26in Screw Specification: M12 Screw Length: Approx. 30mm / 1.18in Package List 1 x Swivel Caster