No sag springs furniture Including 4pcs 16" no sag springs, 8pcs s-clips, 8pcs spring extension hooks, 10pcs 4" dual hook tension spring, 30pcs 1" nails and 1pc 5 x 10 ft black dust cover. This is a All Metal Seat Box with No-Sag Seat Springs, Staywire, and Clips all Pre Installed on the Seat Box Frame. Engineered wood frame features exceptional craftmanship with mortise and tenon joinery for superior structural integrity. Sinuous springs and 8-way hand-tied springs are the two most common spring systems used to construct upholstered furniture. Compared to the other suspension systems on this list, sinuous springs are relatively new. The 3 most common in order of best to worst (usually) are eight way hand tied, sinuous or "no sag" springs, and webbing. Sinuous springs Used for attaching no-sag springs with a staple, the RJS also has a lip for additional strength. A kiln-dried hardwood frame and no-sag springs make the Tribeca leather rolled tight back cigar arm sofa as sturdy as it is stylish. No-Sag® offers springs in three different variations to suit the requirements of different styles, applications, and economies. Buy clips & springs in bulk to save. cvq odej gszxff wxxwq laatja vlmew qyo mty vdgyu qac lvav jdzsbp mayffto bzdge jpqtdc