Medium duty TPR caster is said to be durable, non-marking and very cushion. Double ball raceway in swivel head. Central Precision ball bearing in wheel with dust caps. Octagonal plate for easy installation.

Wheel surface hardness is Shore A: 95±2 so the wheel can help reduce noise when operating. Plastic hubs helps reduce dust, water, silk goes into its Single precision bearing. Thus longer caster's lifetime with less maintenance.

Conductive rubber tread materials offer excellent electrical discharging throughout the tread and across the whole contact surface. The steel bracket is Zinc coating so the whole caster is electrical conductive. The caster will then producing a continuous and safe discharging to ensure the safety of electronic devices.