OTC 10-Ton Spring-Return Hollow Center Hydraulic Ram ideal for push/pull applications found in off-highway construction mining and other industries where heavy equipment is maintained. Center hole permits extending screws cables etc. straight through the ram for versatility of application. Rams withstand full "dead-end" loads. Chrome-plated piston rods resist wear and superior packing"s and seals provide high cycle life without leakage. Piston head inserts are interchangeable for versatility and tapped base mounting holes provide easy installation in fixed applications. 10-Ton capacity 2-1/ 2 inch stroke and a 49/64 inch center hole diameter. Retracted height is 5-5/16 inch and the extended height is 7-13/16 inch.