I was a bit disappointed in the color of the nylon insert in the nut. I had a specific job that required black and silver coloring. The nuts are of reasonably good quality and the inserts should keep your nuts attached (which is a good thing, since loose nuts can be a distraction!)
304 Stainless Steel Machine Screw And Hex Nut Assortment Kit - 170 Pieces By T.K.Excellent
4 Review
Circuit Performance Forged Steel Extended Open End Hex Lug Nut for Custom Wheels: 12x1.5 Purple - Set of 20 + Tool
6 Review
Pack Of 50 Stainless Steel 5/16-Inch Standard (SAE) Nylon Insert Lock Nuts By Fullerkreg
5 Review
LOKMAN 105PC Rivet Nut Assortment Kit With Flat Head Carbon Steel Threaded Inserts - Includes 8-32UNC, 10-24UNC, 1/4"-20UNC, 5/16"-18UNC, And 3/8"-16UNC Knurled Body Rivnuts (Rivet Nut Kit 2)
10 Review