OOQ1019 Features: * Drop forged serrated steel cap floates 9 on a chrome-moly ball reducing friction by 88pct * Include a welded stop to prevent accidental over-extension of the screw * Steel level bars are ordered seperately * Material: Ductile Iron * Type: Screw Jack * Price is for 1 Each Construction: * Sturdy, simple design makes them ideal for supporting machinery, construction, structural moving and general maintenance Color/Finish: * Finish: Enamel Assembly Instructions: * Four-way head assembly accommodates lever bar at four different positions for exact leveling