Indexing Base Upgrade Kit If you originally purchased your Cisco equipment without indexing bases, you can easily upgrade your setup for full radial adjustability. This kit includes everything needed to convert your fixed mounts into indexing units. Compatibility This kit is designed for Cisco equipment produced since 2017 that features a 1/2-20 threaded hole in the center of the mounting head. It is compatible with: Tube or Cradle Rod Holders Tree Rod Holders Tilt-Lok Electronics Mounts What’s Included Top and Bottom Indexing Plates Internal Tension Spring Shoulder Bolt All necessary mounting hardware Installation Requirements To ensure a permanent, vibration-proof fit, we strictly recommend applying Red Loctite to all threads during assembly. Required Tools: 5/32" Hex Wrench 3/16" Hex Wrench Extra-large Flat Head Screwdriver