Thick plate 2mm full-thickness, galvanized cold-rolled steel, four-hole positioning, good load distribution, undeformed in life.
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 701A1 and 701B1 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 701A2 and 701B2.
Brakes function, safe and worry-free: lightly step down the brake to lock, it can be effectively fixed and prevent it slipping.