Db Agriscape Jake's Wire Tighteners 1/4in 20ctSimple Application, just insert and wind Less cost than a crimp sleeve and tool and is Re usable Quick and easy to use Standard works on up 12 gauge wire Requires handle to install (KFS49) 11572 In less than one minute you can tighten your fence wire with this simple wire tightening clip. New wire or old wire, Jakes Wire Tighteners work together with a turning tool to give leverage when applied to your fence.