3526 Crimping Tool for IDC. This universal punchdown tool for terminating wire to both Krone and 110 IDC blocks. The removable double-ended blades allow for punch down action on one end, and punch down/cut on the other. The universal punchdown tool also features a spring-loaded collet allowing for quick fitting of the blades. One blade can be stored within tool body. Blades must be ordered separately.