25 JC Products Stainless Steel Reeds. Single Reed With Long Mylar Sleeve Installed # LV-010. JC Products reeds are the industry standard and used by almost every manufacturer of game calls (Circe, Primos, Sceery, Modern Call Products, Dan Thompson, Johnny Stewart, etc). Voice bodies have a true diameter of .200" with a .010" taper for a snug fit. Great deal for the hobbyist call maker. Note - Reeds will vary slightly from product picture. They will have the large mylar sleeve installed.