SWIDEWIND CRANK: Sidewind crank A-frame jack with a tube design for marine, utility, and recreational trailers EASY TO USE: Smooth, comfortable, ergonomic design makes it easy to operate DEPENDABLE OPERATION: Offers dependable vertical and side load capacity EXTRA DURABLE: Precision fitted parts provide added stability and proven reliability for long-term use WHAT'S INCLUDED: Includes 1 A-frame sidewind trailer jack with weld-on or bolt-on mounting options; compatible with A-frame couplers 7