Universal Size: these patio furniture replacement parts are suitable for many different brands of outdoor furniture; The holes are not drilled, so it can be made to fit any compatible chair Replace Your Weak Spring Plates: our patio spring plate can restore the original stiffness of your rotating rocking chair; Save your time and energy, and retrofitted your lawn chairs with these new fiberglass spring plates instead of having to purchase new lawn chairs Quantity and Size: you will get 8 pieces of swivel rocker spring plates, measures 127 mm/ 5 inch in length, 64 mm/ 2.5 inch in width and 6.4 mm/ 0.25 inch in thickness, enough quantity to meet your different demands Durable and Ruggedness: the patio chair spring plate replacement is made of sturdy fiberglass rocker arm spring board components, which are reliable and stable, wearproof and weatherproof, suitable for outdoors Easy to Install: first, remove the old spring mat from the chair and use it as a template to drill holes for the patio replacement parts; Then put them in just like the old ones came out; Wear protective gloves and glasses when drilling glass fibers Features: Reliable and stable: The patio furniture repair kit is made of sturdy fiberglass rocker arm spring board components, which are reliable and stable, wearproof and weatherproof, suitable for outdoors. Flexible and comfortable: Fiberglass plates are flexible and provide a comfortable angle for sitting, and are flexible enough for rocking. Specifications: Material: fiberglass rocker arm spring board components Color: as shown in pictures Size: 12.7 x 6.4 x 0.64 cm/ 5 x 2.5x 0.25 inch Package includes: 8 x Patio chair sling replacements Notes: Manual measurement, please allow slight errors on size. The color may exist slight difference due to different screen displays.