Haicable TL-315DR Punching Down Tool For use on Lan and telecom seating 4 or 5 pairs UTP(24 AWG) For use on Lan and telecom,seating 4 or 5 pairs UTP(24 AWG) at a time Suitable for both 110 type cable side and cross-connect side terminals blocks The termination block heel with blades are changeable and replacement One end for seating and cutting off wires and the other end for seating wire only Length:108mm