Frame made of Aluminum with ABS cover, and is equipped with precision bearing, and promote stable and easy to use.
This swivel castors has central, total or directional lock, and special design of lock which one can make person simple to control. It also has stable braking capacity and not be easily rust.
Patented brake display designed to allow users simple and convenient know the brake situation.
Wheel centre made of Polypropylene Impact Copolymer.
Wheel tread made of Polyurethane.