This replacement head works with ICC’s JackEasy™ tool to help terminate wires onto EZ® and high density (HD) style jacks. The head snaps tightly into the tool to ensure the blades cut precise. The head can be removed using a flat head screwdriver. The blades are made of SK-5 high carbon steel, the highest quality for making blades. By using ICC’s JackEasy tool, installers can trim all four pairs of wires with just one squeeze. This saves a considerable amount of time during installation and reduces hand fatigue. Features Manufactured from high-quality plastic for strength and durability. Compatible with the JackEasy™ Termination Tool. Trims four-pair cable. Compatible with EZ and HD modules. Specifications Material: Head: Nylon Fiber Cutter: SK-5 Hardness: Blade: HRC 50-60 degree Color: RD-Red Material: Head: Nylon Fiber Cutter: SK-5 Hardness: Blade: HRC 50-60 degree Color: BL-Blue