100 Pcs M3 Thread Insert Lock Fixing Screw Nylon Nuts Hexagonal Black With 50Pcs M3x3mm Stainless Steel Hex Socket Set Cap Point 

2 set Hand instruments:50 (+/-2%) x Grub Screws & 100 x Hexagon nutsDrive Type: Hex SocketHead Style: Hex HeadMade of stainless steel, hex head grub screws cup point socket.Often used for holding a pulley, gear, or other parts from turning relative to a shaft.Product name: Hexagonal nut + Grub ScrewsThread diameter: 2.7 mm / 0.1 inchThread size (a): M3Hex Height (B): 2.5 mm / 0.1 inchHexagonal Width (C): 5.5 mm / 0.2 inchPitch: 0.5 mm / 0.02 inchMain color: Black + SilverMaterial: Stainless Steel + NylonThread Size: 3 x 3mm/0.12 x 0.12 inch (DxL)Thread Pitch: 0.5mmTotal Length: 3mm/0.12 inchHole Diameter: 2mm/0.08 inchWeight: 7g + 10gPackage Content:50 (+/-2%) x Grub Screws100 x Hexagon nutsOnly the above package content, other products are not included.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 +/- 1-3cm.