Tri-Tronics Fiber Optics : Rectangular Bundle Barrel Stainless Steel Jacket F-K-36 – .020 x .15″ Bundle Size PVC Jacket F-K-36BP – .020 x .15″ Bundle Size Bifuricated Rectangular Bundle Barrel Stainless Steel Jacket BF-K-36 – .020 x .15″ Bundle Size PVC Jacket BF-K-36P – .020 x .15″ Bundle Size