This listing is for 1 pair (2) rings. Pictured are a pair of 5x7 / 6x8" to 5.25 Component Set PVC PLASTIC Adapter rings With mounting holes. Ring specifications are as follows: 5x7 " / 6x8" rings ID / Speaker hole size = 4.625" (4 5/8") Tweeter Hole Size 1.5626" OD = 6 x 8.25" Thickness 6MM (.236") All parts are CNC machined for perfect and consistent accuracy.