The Simply45 S45-801 5" Premium Flush Cutter Tool is a must-have in every installer's tool kit. This is not some cheap made Chinese tool. This is a professional premium quality, Flush Cutter. The S45-801 is ideal for trimming LAN cable wire conductors, precise trimming for load bars, jacks and more. It can be used with copper wires up to 18AWG (1mm).