Specialist tacker for wires and cables. A lightweight, quick, one - handed alternative to cable clips. Ideal for fastening low voltage cables such as speaker, telephone, antenna or computer cables. For use with round cables 4 - 6mm or 6 - 8mm and flat wire 2.5 - 4mm width < 8mm or 4.5 - 6.3mm width< 10.3mm.