Replacement 14" black gas lift for draughtsman chairs.
 
Draughtsman chair gas lifts can fail after years of use so this is an ideal replacement. Suitable for up to 160kg weight limit. 450mm - Extends to 690mm Ideal replacement for draughtsman chairs.
 
If you are replacing a failed gas lift, you will need to hit the existing gas lift out of the base with a rubber mallet - they can be stubborn.  The replacement will drop straight into the base and will edge in place when weight is applied to the chair.