Lowrance HDS7 Grommet

This two part grommet is for HDS single Ethernet installations with LSS and N2k.
Instructions:
1 - drill 3mm pilot hole where you want the grommet
2 - drill 9mm hole 13.5mm to the left of the pilot hole as per diagram
3 - drill 25mm hole in pilot hole with hole saw
4 - Put cables through hole starting with LSS, then transducer (sonar), then Ethernet, then power/data cable (tail end, not plug end) and finally N2k
5 - Clip cables into each half
6 - Place halves together, align 'key' and ins