There is no doubt, that tight thread pitch makes it more stable during the fixing and PVD process. High hardness makes it not easy to bend and deform.Due to the delicate CNC cutting and polishing process, it has a smooth hand feeling. Since it is made of premium titanium alloy material, it has high strength and is wear-resistant, stable.By making with alloy steel material, this screw is solid and non-fading to use long time.The length of the product is 1.8cm, the diameter is 0.6cm.It is suitable for various kinds of bikes to use and fixing the parts of them.Item Name: Bike Crank ScrewMaterial: Alloy SteelFeatures: Solid, Good Toughness, CNC ProcessSize Details: Length: 1.8cm/0.71" (Approx.)Diameter: 0.6cm/0.24" (Approx.)Notes:Due to the light and screen setting difference, the item's color may be slightly different from the pictures.Please allow slight dimension difference due to different manual measurement.Package Includes:1 Set of Bike Crank Screw(2Pcs)