Details: * fresh and high quality.*Material: carbon steel*Color: Black*Size: M8X18mm (As photograph show)*High power and hardness.*Not smooth to rust.*Convenient to use.Package Contents:5*ScrewNote:1.The genuine coloration of the item could also be barely diversified from the photographs proven on website brought on by many points corresponding to brightness of your monitor and lightweight brightness.2.Please enable slight guide dimension deviation for the data.