Office Swivel desk chair Mechanism part
manual conical spring

1" diameter Post, Bell & Washer are included
Mechanism Tips
Retrofit Tips
Mounting Board
- Low profile
- Noiseless bearings
- Rubber boot (not shown)
- Easy to adjust while seated
- Large forward tension knob
- 3" post bottom unthreaded increases base stability
Office Swivel chair Mechanism Style #483...$97.15 