Self-Contained Spring Return Shock Absorber, Internal Accumulator. Bumper & Rod Length 1.43 inch, Bumper Diameter .90 inch, Bumper Length .43 inch, Effective Weight 20 - 3,000 lbs, Energy 600,000 lbs/hour, Extended Length 5.62 inch, Measurement System Inch, Relief Diameter .88 inch, Relief Length .65 inch, Rod Diameter .25 inch, Stroke 1.00 inch, Thread Size 1-12, Threaded Body, Type Adjustable, Wrench Flat Width 7/8 in, Thread Size (Diameter) #1, Thread Size (Pitch) 12 Next Day Fittings is an authorized Ace Controls Distributor. If you have any questions about the Ace Controls MA600 's technical information or availability please call us at: 844-323-8752Next Day Fittings is an official Ace Controls distributor, we can offer our customers the best pricing and factory lead times. Our trained and knowledgeable staff is always ready to help with any aspect of the Ace Controls product purchasing process. Whether you need assistance from a customer service agent or a product engineering expert, Next Day Fittings is your Ace Controls partner every step of the way.