The Fluke Networks D814 814 Series Automatic Impact Tool with 66/110 Punch is a high-quality punch down tool designed specifically for use in networking and cabling installations. This tool features automatic impact capability for improved efficiency and accuracy when attaching cable to a punch down slot. The 66/110 Punch type ensures compatibility with both 66 and 110 style outlets, making it a versatile tool for various cabling needs. With the Fluke Networks brand reputation for quality and reliability, this punch down tool is a dependable choice for professionals in the computer networking industry.