The Panduit NK688MBL NetKey® Cat 6 Keystone Punchdown Jack Module in Black is a high-quality networking component designed for efficient and reliable Ethernet connections. With a 110 Punchdown termination style and unshielded (UTP) construction, this modular jack is compatible with Cat 6 wiring standards and features a durable Acrylonitrile Butadiene Styrene (ABS) material construction. The panel mount design and U.S. manufacture ensure a secure and professional installation, making it a reliable choice for multiple Ethernet connections in various networking setups. These were taken from unused panels being switched to 6A jacks.