Product Description:

1）Made with superior heat resistant steel.It can fight fatigue and endure impact.

2)The end of the stem reaches at 45 degrees.The working surface is sprayed and welded with nickel alloy,which helps resist impact.The ability to contain air is great.

3)The stem goes through precision grinding and is treated with soft nitration,which helps the valve last longer.

4)The pin's gap is strengthened by rotation compression to ensure reliability.