Removable gas spring chemical spring 9 inches to 13 inches, jump 4 ''

Replacement of the 9-inch office chart actuator for 13 inches, jump 4 '', durable 453 kg, hydraulic pneumatic piston cushioning, universal gas actuator matching most office seats, class 4 (black)

Information on this subject:

【Adjustable height 4 inches】 compressed length is 9.88 inches (251 mm), fully expanded length is 13.6 inches (346 mm), the descendant length is 1/2 "(15 mm), the stroke length is 3.7 inches, which allows for a print to raise higher. (Note: Before buying, measure the length of the external cylinder).

【The universal size matching most chairs】 The outer diameter of the column cylinder connected to the base is 2 inches (50 mm) and the diameter of the piston shaft connected to the chair is 1-1 / 8 "(28 mm). This pneumatic piston actuator will fit into almost every office chair on the market, including Herman Miller Aeron. Please confirm these dimensions before making a purchase. It does not match 1kea and some other brands.

【Improved class 4】 Cylinder Cylinder Cylinder replacement Mart Mart Masters actuator is made of the highest quality steel. This durable gaseous lifter actuator is produced in accordance with the highest industry standards (BIFMA / ANSI), the lift has a maximum lifting capacity of up to 1000 pounds.

【Eliminate fears to sink】 Prevent jassy, removing the old cylinder using a hammer or key. Just mount a new cylinder in the base and attach the seat. Our office chairs lift provides a smooth rotation of 360 degrees.