18" to 28" Long Adjustable Gas Lift Cylinder Tube for Bar Stool Drafting Chair Replacement Parts,Heavy Duty Hydraulic Pneumatic Cylinder Shock Piston (10" Lift Stroke)

Certified by SGS Test（USA）& Higher Standard LGA Test (GER),unlike cheap leaky and sinking gas lift cylinder,these high standard lift cylinder are more reliable and heavy duty. Questions & Answer 1. Does this lift cylinder fit my chair? In most cases, this Gas Cylinder Tube is applicable to most Executive chairs and stools.We still recommend that you measure your original cylinder size before purchasing.） 2. How to choose the size? 6.5 "stroke lift cylinder is a common size for most chairs and stools. Please refer to the size in the picture. If you want to replace the stroke lift cylinder with the same height, this is usually the most appropriate. 10 "stroke lift cylinder, this is usually used for bar stool chair and drafting stool for replacement. 3. How to replace the old gas lift cylinder Usually you may need to use a hammer to take out the old gas lift cylinder from chair base and replace it with a new one. (We suggest you search for "gas lift replacement" on youtube for instructions) 4.Weight capacity Weight capacity: 450 LBS Please contact us through Amazon "contact seller".You will get a replacement for any non-human quality problem within 5 years.