Check the listing for details. #220BK - Office Chair Gas Lift Cylinder Hardware Clip Bearing Washer.. Condition: New. Listed at 8.85 USD. ** VISIT (www.xtremeswivels.com) ** CHECK- OUT OUR WEBSITE FOR LOWER PRICES, FREE USPS Priority Mail SHIPPING & FAST DELIVERY. **** 23% DISCOUNT **** ONItem# 220BK ( ON WEBSITE ) www.xtremeswivels.com FREE: USPS Priority MailSHIPPING *** ORDERS SHIPPED OUT FAST *** Item# 220BK Use for replacing worn out or missing attachment hardware on an home/office chair gas lift cylinder. Attaches the gas lift piston cylinder to the larger black or chrome support column that fits into the 4 or 5 leg chair base. Instructions for correct assembly included: It is critical that this hardware set is installed in the correct order for proper & safe usage. Functional note: If your cylinder is sinking while sitting in the chair, the entire gas cylinder must be replaced as an internal seal has worn out. This is only for the hardware bearing kit; gas lift piston in picture is for visual only and is not included. Contains: 1 Rubber Bumper, 1 Small End Washer, 2 Large Washers, 1 Bearing Washer & 1 Retaining Clip Hardware Bearing Kit for most standard home/office chair gas lift pneumatic cylinder This is only for the hardware bearing kit; gas lift piston in picture is for visual only and is not included. Used on many gas lift pneumatic cylinders on Home/Office, Gaming, Executive, Meeting Room Chairs, Drafting Stool, Counter Stool, Dental Stool, Bar Stool, Low Seating Stool. ** VISIT (www.xtremeswivels.com) ** CHECK- OUT OUR WEBSITE FOR LOWER PRICES, FREE USPS Priority Mail SHIPPING & FAST DELIVERY.