Stainless Steel Spring(12) and Nylon Spools (24) with hardware.
Springs are 6" Length x 1 7/8" Diameter. Spools are machined from solid Nylon so there are no seams. Stainless Steel Hardware included is 3 1/2" x 1/2" - 13 Bolt, Flat Washer, Split Ring Washer and Nut.