game Accessories/chair/Stools for game machine/game room

1.The pipe by twisting and have the function of up and down (screw)

2. Sit washer to chassis highest level  is about 42 cm, minimum  is about 38 cm, two stainless steel circle  is about
3.2 cm high, chassis  is about 38 cm, cushion for PU, stainless steel ring cushion is about 33 cm