Arrow T18 wire cable tacker with all-steel construction, the chrome finish resists wear and tear. The grooved driving blade and grooved guide ensure perfect stapling with jam-resistant mechanism and a short span easy compression handle. Designed to accommodate smaller wires and cables up to 5mm diameter, suitable for telephone, intercom and burglar alarm wiring. The T18 takes 3/16 x 3/8 leg (ARRT1838) amp; 3/16 x 7/16 leg crown staples (ARRT18716)