The 30,000 lb. Aluminum Eight Post Pile Mount Lift includes (4) 40:90 Double Worm Reducer, (4) 220v wired motors, (4) pile mount top beams, boat cradle, and aluminum bunks. A complete lift in a crate. The all-aluminum lift features an industry-leading no-weld design. It uses hardened marine-grade stainless steel fasteners. The extrusions make it the most reliable and strongest lift in the industry.