900 pieces assorted sizes Zinc Steel, Stainless Steel, Aluminum rivet nut kit. Metric rivet nut insert rivnut nutsert assort M3 M4 M5 M6 M8 M10. High strength and hardness, durable in use, easy to use. These rivet nuts come in an easy-use separated girds storage box. Can be installed in many different kinds of material including steel, plastic and fiberglass.
