Chair accessories factory wholesale competitive price armrest and mechanism of chair parts,these armrest and mechanism are made of Aluminum alloy or Iron with powder coated and chromed surface treatment.The hole to hole distance are standard design and almost fit for all the office chair.

chair height adjustment mechanism
Chair height adjustment mechanism  Features:
A.Replacement universal
B. Accepts standard tapered lift
C. Single lever for gas cylinder activation
D. Available in standard or heavy duty
E. √Without lock    /    Push lever for tilt lock - pull to unlock 
F.√Without tilt adjustment    /    Hand wheel for tilt tension adjustment