R/C roll bar accesories

[Turbo Performance]

Here are some cage grommets I found for my build. They would work for going through sheetmetal or lexan. Also come in 1 3/4" bar size.

http://www.appliedracing.com/roll-bars-cages-and-components/split-grommet-tube-seal-for-1-5-8-tube.html