The Cat7/Cat6/Cat6A/Cat5e/Cat5 RJ45 Ethernet Crimper is a professional tool designed for crimping RJ45 connectors. It is compatible with Cat7, Cat6A, Cat6, Cat5e, and Cat5 shielded and unshielded connectors. The tool features a portable case for easy storage and transportation, and includes a wire stripper for quick cable stripping. Its design reduces working time and is suitable for various applications such as network cable testing and telephone line testing.