Features and Benefits:? Aluminum Lock Nut provides mechanical load holding for extended periods? Composite bearings increase cylinder life and side load resistance? Equipped with bolt-on hardened steel saddle? Hard coat finish resists damage and extends cylinder life? Stroke: 6? (15 cm)? Retracted Height: 16.7? (42.3 cm)? Max. Height: 22.6? (57.3 cm)? Weight: 88.6 lbs (40 kg)Aluminum Lock Nut provides mechanical load holding for extended periods. Composite bearings increase cylinder life and side load resistance. Equipped with bolt-on hardened steel saddle. Hard coat finish resists damage and extends cylinder life.