• Make to accept gas lift;
• Synchronized Mechanism;
• Lever A for spring tension adjustment;
• Lever B for seat height adjustment;
• Lever C for forward tilting locking /unlocking (seat forward 3°/ back forward 6°);
• Lever D for tilting locking in 4 positions/unlocking (seat tilting from 0° to 10°/ back tilting from 0° to 21°).