M2 M2.5 M3 M4 M5 12.9 Grade High Strength Hexagon Socket POM Dog Convex End Point Tip Grub Bolt Set Screw/Black Headless BoltHome Improvement > Hardware5,35 USD (≈ 4,40 CHF)5,81 USDDisponibileSold by AliExpress WWVai al negozio