MATERIAL: The v-groove wheels are made of high quality galvanized steel, sturdy, durable, corrosion resistant and waterproof
SIZE: Wheel diameter is 2.5", the diameter of rotated stem is 1.5" and the flat part is 1.4"; fit to 90 degree V-shape track (Please confirm your size of V track before order)
LOAD CAPACITY: Allow 660 lbs capacity per wheel, easy to carry up heavy duty gate
ROLL BEARING: Double roll bearings slide stably and smoothly, make it easy to push the gate
GREAT FOR: Foldable sliding gate, factory door, industrial machines track project, dog gate, garage door, garden gate