STABILUS GAS-CHARGED TRUNK LIFT SUPPORT, SOLD INDIVIDUALLY -- 18.42 in. extended length; 13.11 in. compressed length; 0.39 in. rod diameter; 0.86 in. tube diameter; With safety features for anti-trap protection; Allows effortless opening and safe closing of the trunk lid within seconds; Stops the trunk lid in any intermediate position to give you the access you need; Absolutely maintenance-free; A high quality, OE replacement gas-charged trunk lift support; Easy installation; With lifetime Stabilus limited warranty.