Bottle Jack, 8-Ton Forged base and cylinder to ensure strength and eliminate leaks.. Chromed pump piston and ram for additional rust resistance.. In-line design for increased ease of use in positioning and operation.. Includes free seal kit with each unit to extend product life.. ANSI/PALD compliant.. Details:. Stroke – 4-15/16. Retracted Height min. – 7-13/16. Length of Screw Extension – 3. Height with Screw Extension – 15-3/4. Pump Strokes to Extend Piston One Inch – 21. Saddle Dia. – 1-3/8. Base Size – 6 x 3-9/16. Weight – 12.6 lbs. 9308