Kit only compatible with Scotty Products Fine Tooth Angle Adjustment Discs For Scotty and Folbe Rod Holders 60 Point discs deliver 6 degrees of adjustment. If that isn&';t enough, rotating a disc one click over on your holder gives you another 60 points. Do that one more time and you can adjust down to about 2 degrees. Includes a red tensioner to be sandwiched between the two Rosette halves for added lock to your threads. Includes 316 Stainless Steel Bolt and Replacement Knob. Kit Includes: 2x Rosette Halves 1x Tensioners 1x Replacement Knob 1x 316 Stainless Steel Bolt