Bumper & Rod Length 36.3 mm, Bumper Diameter 22.9 mm, Bumper Length 11.0 mm, Effective Weight 20 - 3,000 lbs, Energy 600,000 lbs/hour, Extended Length 142.7 mm, Measurement System Metric, Relief Diameter 22.4 mm, Relief Length 16.5 mm, Rod Diameter 6.3 mm, Stroke 25.4 mm, Thread Size M25 x 1.5, Threaded Body, Type Adjustable, Wrench Flat Width 23.0 mm, Material Steel