Sonic Foam System - Flare Nut Wrench Set - 10 Pieces - 1/3 (Small) Subtype - Hand Tools You can change the resin

You can change the resin cartridges in less than 5 minutes

As long as you keep an eye on the top of the brush

and rank polishes like this:

I also did a section of the Raptor with Nano Resin Pro that looked and was applied much like ISM

For the price

Sonic Foam System - Flare Nut Wrench Set - 10 Pieces - 1/3 (Small) Subtype - Hand Tools You can change the resinThese are the tools I've decided to use at OGHQ, they have a nice quality to them with good ergonomics. They aren't intended to replace everything but there is a great variety of tools offered here. For the price, you cannot beat them vs something that's 2x or 3x the cost like Snap On.