Description:Brand: IIIPROColor: black/red/blue/green/purple/gold/colorfulMaterial: Stainless steelSpecification: M5*18mm with washerHead size: 7.8*5mm (diameter * height)Washer size: 7.8*1mm (diameter * thickness)Hexagon wrench size: 4mmProduct size: 7.8*23mm/pieceProduct weight: about 3.5g/pieceReminder: We are here to serve you wholeheartedly.If you have any purchase questions,the customer service will answer you online.Specifications:1.High quality: The screws are processed by automatic thread rolling machine,the thread pitch is close,stainless steel material,high strength,stable tightening,and not easy to break.2.PVD coating: The surface is colored by PVD vacuum coating,and an oxide coating is formed on the surface of the screw,which not only strengthens the surface hardness,but also makes the color of the screw bright and not easy to fade.3.Lightweight and portable: authentic boxed,light weight,small size,and easy to carry.4.More functions: 6 pieces per card,suitable for fixed stem,front and rear derailleur grips,seat tube clamps,front and rear derailleur.5.Tip: Please check the detailed size/model information before purchasing.Package Included:1 set* Color handle screws(6pcs)