A、High quality aluminum tube with aluminum alloy treatment on surface;
B、Reinforced central vertical tube provides better support force;
C、Specially designed expansion tube provides more convenience for adjustment;
D、There’s rubber tube inside so as to prevent from friction of metal tube.
E、Anti-skidding rubber feet-pad with metal gasket inside makes it more durable;
F、High quality plastic armpit supporting cover makes it more beautiful;
G、9 gears for height adjustment. Gear distance (2.5 CM)

SizeS M L XLType Height（cm）: S:100-120 M:110-130 L:120-140 XL:130-150