Specification Brand : GBJ Label : GBJ Manufacturer : GBJ MaterialType : high speed steel PartNumber : GBJ ProductGroup : BISS Basic ProductTypeName : CUTTING_TOOLS Publisher : GBJ Size : 1/2-24UNS SmallImage_Height : 75 SmallImage_URL : https://m.media-amazon.com/images/I/41IGrnkKkVS._SL75_.jpg SmallImage_Width : 75 Studio : GBJ Title : GBJ HSS 1/2 1/2"-24UNS Tap and Die Set UN UNC UNS NUF UNEF Machine Thread Tap and Round Thread Die Right Hand (1/2-24UNS)