Upgrade your SWFA SS fixed power optic with one of our throw levers, speeding up focus changes and target engagements without breaking the bank. Does not fit other SWFA models unfortunately. Our levers are proudly printed in the USA from durable nylon, and feature a metal thread insert for increased strength when tightening. Easily installs in a minute or less, and has a lifetime warranty. One of the first levers available in our Rev IV design!