Specs Model:

 2D,3D,4D,5D,6D,7D,8D,9D,10D,12D,16D,20D,20D,30D

Technical Standards:

 Length:1"- 4"    Shank Diameter:0.067"- 0.148"

Product Description:

 material: made of high-quality low-carbon-steel
 Finish: E.G., C.C.
 Flat head, diamond point, smooth shank