ITEM NAME:Carbon Steel Rivet Nut Insert Nutsert M4 M5 M6 M8 M10, 120 Pieces D5X5 Carbon Steel Rivet Nut Insert Nutsert M4 M5 M6 M8 M10, 120 Pieces D5X5 Material and application: made of carbon steel, Threaded can be installed in many different kinds of material including steel, plastic and fiberglass Carbon steel rivet nuts' grip range (mm): 0.5 mm-2.5 mm for M4, 0.5 mm-3.0 mm for M5, 0.5 mm-3.5 mm for M6 and M8, 1.0 mm-5.0 mm for M10 Sturdy and durable: the chamfer on the nut body makes the nut easier to insert into the work piece; Nuts have a work-hardened surface providing high-strength, load-bearing threads Function: they can be applied to fix tub, mount storage containers against the tail gate and anchor on the wheel wells; Use some rivet nut installation tools to make the work easier Diverse sizes insert rivet nuts are separated and stored in girds that you can find the appropriate sizes you want quickly Total: 120 pieces; Material: carbon steel color:gold Package includes: 50 x M4 rivet nuts 35 x M5 rivet nuts 15 x M6 rivet nuts 10 x M8 rivet nuts 10 x M10 rivet nuts Only the above package content, other products are not included. Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.