Crafted from brass, the Philtool Threaded Insert Set ensures sturdy and long time stability, making it addition for fastening needs Featuring knur designs, these inserts come in multiple size (M2toM6) to accommodate various requirements, providing versatility for different projects For engineers, enthusiasts, and professional repair technicians, this Set offer reliability for all users Perfectly suited for securing electronic devices, enhancing 3D printing parts, and fastening components, this set is addition for applications Organized in convenient sorting box, this comprehensive Set simplifies your workflow by keep all nut easily accessible and ready for use