The Logilink WZ0039 is an RJ plug crimping tool designed for crimping RJ9, RJ10, and RJ25 plugs. It features an adjustable head for easy adjustment of the crimping force, allowing for the perfect crimp every time. The easy-to-use design allows for high-speed and accurate crimping of the RJ plug, and the ergonomically designed non-slip grip helps ensure user comfort. The WZ0039 is a must-have tool for any home or professional network installer.