1. It is made by cold forging of stainless steel with good weldability.2. Easy to use on two separate components, use welding tools to weld nuts, simple operation, high fastness.3. Usually used for component maintenance.4. 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 +/- 0.3mm. Specification:Product Name: Round Weld NutsMain Color: Silver ToneMaterial: 201 Stainless SteelThread Size: M8*1.25mmOverall Size: 14mm x M8 x 13mm / 0.55" x M8 x 0.51"(D*d*L)Package Content: 10pcs x Round Weld Nut