Rig Expert AA-230 Zoom Antenna Analyzer with Nanuk 904 Case and Ham Guides Quick Reference Card - Pre-Fitted Bundle The Rig Expert AA-230 Zoom and Nanuk case bundle comes ready to use out of the box! Our skilled technicians have taken the time to pre-fit your Rig Expert AA-230 Zoom so you can get right to work. Powerclaw Latching System, Waterproof - IP67 Rated, Crushproof and Lightweight, Impact Resistant NK-7 Resin - Nanuk 904 Case