Greenery bits have the followiing features and benifits:
1,Made of high quality s2 alloy steel
2,Special high temperature treatment,hardness can reach HRC60+,good durability.
3,Pricise machined to ensure consistant fit.
4,Available in a variety of tips
5,Designed and constructed to withstand impact drills.
6,Better fit to more touque,less cam out and long life