Premium nylon housing with painting which high glossy finish is an economic light duty option for zinc housing replacement.
Tubular rivet struction holds dual-wheel together, providing more durability and capacity over standard models. Plain bushing which means wheel is not easy to fall off when over-weight is applied, and with ABS decorative cover, multi-color options, various application scenarios.
Fine workmanship, smooth and mute. There is PVC tread on 702A1 and 702B1 which is non-mark on floor. There is a matte particle texture on nylon tread, which is not easy to slip, and the slding mute for 702A2 and 702B2.
Brakes function, safe and worry-free: lightly step down the brake to lock, it can be effectively fixed and prevent it slipping.