1,500lb. capacity bolt-through jack is stronger than a snap ring jack and produces minimal deflection and maximum support during trailering. High-performance zinc finish can withstand up to 600 hours of saltwater exposure. 8" diameter thermoplastic caster wheel for extra stability and support. For boats over 24' Provides 25" lift and 12" travel Fits tongues 3" W x 5" H 1,500 lb capacity Mounting hardware included Three-year warranty