The Platinum Tools® 100004C EZ-RJ45® Crimp Tool is a hand tool used for crimping RJ-45, RJ-11, and RJ-12 connectors onto Cat 5/5e and Cat 6 cables. It features a blue and black sheath color and is designed for use in electrical and networking applications. The tool is manufactured by Platinum Tools®, a reputable brand in the industry. Measurements are shown in photos