This wire strainer can be used for end of line and in line straining. The 12 tooth spool makes it easy for fine adjustment and tightening. Tighten with Gallagher Strainer Handle (RCHS-3018) frame. The wire strainer has increased coining and spine height which improves the strength of the strainer and reducing the risk of the frame splaying. It has an increased spool radius which reduces the risk of wires breaking. This extra strength accommodates up to 4mm 8 gauge fence wire. The robust, high quality spring loaded locking clip and long life galvanized steel frame comes backed by a full 1-year manufacturers warranty