Fiber Supplies We stock complete FOSC 400 and FOSC 450 Closures. From cable seals to organizer baskets and splice trays, we have a large assortment of accessories for both FOSC.... Preformed Coyote Closures & Accessories Pfi Precision Fiber, Inc. Splicing Services Splicing Services Patch Cords & Connectors We stock various lengths and types of patch cords. If... sleeves and some 3M closure accessories. Please contact us with your request. (888) 57-FIBER Call Us for All of Your Supply Needs (888) 57-FIBER ...