The OTC 9305 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 4-13/16”, Retracted height minimum 7-13/16”, Length of screw extension 3”, Height with screw extension 15-5/8”, Saddle diameter 1-1/8”, and the base is 5-3/16” x 3”. ANSI/PALD compliant.