This 50-Ton bottle jack has a forged base and cylinder to ensure strength and eliminate leaks and the chrome piston pump and ram provides additional rust resistance. Covered by a 2 year limited warranty and we include a free seal kit to extend the products life. Specifications include: Stroke 6-5/8”, Retracted height minimum 11-3/4”, Maximum height 18-15/16”, Saddle diameter 2-1/2”, and the base is 8-11/16” x 7”. Includes carrying handle.