Kevlar Super loops: Our “Super Loops” are a combination of Kevlar and high tenacity monofilament. We offer 4 complete loops with instructions in each package. The 1/2″ loop is used for Most Light line configurations. The 2″ loop is designed primarily for shooting heads and spey lines. The 6 ” loop was manufactured for saltwater use for passing a complete spool or reel through the loop.