5/10/50pcs M1.6 M2 M2.5 M3 M4 M5 M6 M8 Black Grade 12.9 Steel DIN912 Hexagon Hex Socket Cap Allen Head Bolt Screw Length 2-80mm
https://www.vogueparade.com/shopping/EN/42/1/1005003500858131/51050pcs-m16-m2-m25-m3-m4-m5-m6-m8-black-grade-129-steel-din912-hexagon-hex-socket-cap-allen-head-bolt-screw-length-2-80mm//