Characteristic:
1. Pressed steel bracket, chrome plated surface treatment
2. Precision ball bearing rotating structure, flexible, mute
3. The casters installation has a sleeve rod assembly design expansion, convenient and beautiful
4. Wheel size：75mm 100mm 125mm
5. Brake adopts double pedal, double linkage structure, brake system is reliable, easy to operate
6. The casters installation way is inserted rod type
7. Caster type brake fixed wheel