1. Rear lever changes height
2. Center lever locks/unlocks seat angle
3. Forward lever locks/unlocks ability to rock
Front to back holes-6 15/16"
Mounting holes at front -6"
Mounting holes at rear-4 5/8"
500 lb user weight
29" Black HD office swivel desk chair complete under seat to floor assembly.
Exceptionally strong and heavy 15 lb 5 leg black textured metal base. Will hold up to 750 lbs.
The kit includes five 100 lb each carpet casters. (Optional mat and wood floor casters available during Check out).
Some replacement kits will require a mounting board.