YG-1 B0 Series Premium HSS Spiral Flute Tap， Steam Oxide， Round Shank with Square End， Modified Bottoming Chamfer， 3/8"-16 Thread Size， H3 Tolerance</br></br></br></br></br></br></br></br></br></br></br></br></br></br></br></br></br></br></br></br></br></br><img src='http://ecx.images-amazon.com/images/I/41pf8HfKv%2BL.jpg' noproxy></br><img src='http://ecx.images-amazon.com/images/I/31n3GXlVbGL.jpg' noproxy></br><img src='http://ecx.images-amazon.com/images/I/510qfIDBdpL.jpg' noproxy></br>