The eyelet is made of high quality material with gunmetal finish. It is especially made for DIY kydex sheath. With a compatible eyelet hole punch tool kit to smooth and easy work.Kindly remind, the punch tool is easy to get rusty, but the rusty does not effect the function. Please do not buy if you mind! And please clean and lubricate after using.Thank you!6MM EYELET: It is perfect for DIY 1.5mm kydex sheath. And also suitable for kydex sheath 1mm-1.8mm.DIY Supplies:MetalworkingType:CombinationApplication:Household Tool Setcolor:Photo colorMaterial:Metalsize:Inner diameter 6mm, overall length 6mmPackage Contents:50 x Eyelet1 x Punch Tool KitOnly the above package content, other products are not included.Note: Light 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.