The Eaz-Lift ReCurve Hook Up Hanger is a replacement part for the ReCurve R3 and R6 that attaches the spring bar to the trailer frame. Its universal fit provides flexibility for installation locations on trailer frames and comes with (2) powder-coated steel brackets, (2) inserts, (2) spacers and (2) zinc-plated pins. Replacement Part: Attaches the spring bar to the trailer frame Compatibility: Compatible with the ReCurve R3 and R6 Universal Fit for Trailer Frames: Flexible install locations Includes: (2) brackets, (2) inserts, (2) spacers and (2) pins Durable Construction: Brackets are constructed of powder-coated steel; pins are zinc-plated Related items not included: 48723 (Strap) and 48757 (Bolt Pack) MODEL NO - 48749