1、INCLUDED TOOLS: Including wire pliers, wire stripper and 10pcs crystal heads, a tool kit that integrates cutting, stripping and crimping, convenient and durable. 2、HIGH CARBON STEEL: The crimping tool is made of high carbon steel material with high hardness, corrosion resistance and wear resistance, has a long service life. 3、FIRM CONNECTION: The crimping size is consistent with the crystal head, not easy to dislocate, ensuring a firm connection between the twisted pair and the crystal head. 4、METAL BLADES: The distance between the 2 metal blades is moderate, the cutting is glossy without burrs, with a protective device at cutting part to avoid work injury. 5、TWIST PAIR CUTTING: With the function of stripping UTP STP round twisted pair, it can easily strip the plastic of the twisted pair, but not easy to cut off the network cable.