Unique 6-wheel Base System for Easy Upright Rolling and Tilted Smooth Rolling. 4 of 6 wheels turn 360 degrees, so it will roll by your side and turn on the spot in any direction. Easiest handling on the market!
Advanced Base Protection with Rear Protective Rails
Upright Size 1.32 m Tall--Folds to less than 30 cm for Storage
Advanced Technology with US PATENT: 6, 401, 890 B1.