Check the listing for details. D Ring Patch PVC Stainless Steel Round Shape D Ring Pad for Surfboard Inflatable. Condition: New. Listed at 21.38 USD. Features:The D ring patch is easy to install and use, and has a strong fitting effect. There is no need to worry about falling. It can be combined with ropes to fix the oars, buckets, cargo, etc.D Ring Patch can be used as a good accessory for inflatable boats, rafts, dinghy, kayaks, canoes, stand-up paddleboards, surfboard, etc.Durable and will not take up too much space on your boat.Specification:Color: GrayMaterial: PVC, Stainless SteelDiameter of Patch: 8cm / 3.15''Out Diameter of Stainless Steel D Ring: 38mm / 1.5''Inner Diameter of Stainless Steel D Ring: 32mm / 1.26''Note:There is no glue on the back of the D ring patch, you need to buy glue separately.Please clean the installation location before use to make the D ring patch more durable.Package Included:8 x D Ring Patch.