Replacement Bed Deck Seat Cross Support Wire Kit for Bed Deck of Sofa Sleeper. Kit includes 2 Seat Cross Wires and 2 helical springs. These Replacement Support Wires are OEM Part to many Brands of Sofa Sleepers. Check Metal Frame of your sofa sleeper for manufacturer sticker indicating size, model and manufacturer of sofa sleeper mechanism to be sure you are getting correct size and model of Support wires. Contact Customer Service For Additional Information and Bulk Pricing.