Adopt 76*3mm top quality super thick tube with 12mm thick steel plate, firm and durable;
High density sponge, which is made of high quality leather;
The link gear of backrest and cushion is suit for exercises requirement;
Backrest can be adjusted arbitrarily by 0°, 15°, 30°, 45°, 60° or 80°;
Rear carrying wheels are convenient to move.