Review on Speder 136pcs Rivet Nut Tool Kit - Rivnut Tool Set with Wrench, Threaded Insert, and Nutsert - M6/M3/M4/M5/M8 for Furniture, Decoration, Car, Trailer, Boat, and More by Sammy Suratno

This thing works. That's pretty much all you need to know. If you have a bike and want to place your water bottle cage in a custom location/configuration, this is your tool. If you want to customize an assembled item to your specific assembly platform, this is sufficient. Various screw sizes and simple instructions. The inserts are not stainless steel and I wouldn't try this tool with stainless steel inserts, but if you have an aluminum bike or other item it will get the job done. Remember to use a drill no larger than 1mm for the nut. If this is your first time using this tool, I recommend practicing with it first (Note: don't use M3-M5 nut sockets, they are needed most, use the less common M7!)