50 Piece/Box Brass Cylinder Knurled Round Molded-in Insert Embedded Nuts

M2.5*5*3.5 - Brass Cylinder Knurled (10) M3*3*4.2 - Brass Cylinder Knurled (10) M3*3*5.3 - Brass Cylinder Knurled (10) M3*7*5.3 - Brass Cylinder Knurled (5) M4*12*5.2 - Brass Cylinder Knurled (5) M4*4*5.2 - Brass Cylinder Knurled (5) M5*12*6.3 - Brass Cylinder Knurled (5) Features: 100% brand new and high quality. Made of brass material, these inserts are durable and heat-resistant. These are several inserts set in different lengths that you can choose as needed. Small size and light weight, these inserts are convenient to use.