1/2" x 28 Thread Protector .750 Long .820 Dia. Black Oxide #4072
1/2" x 28 barrel thread protector. It is machined from US made steel to very high quality standards on CNC lathes in my shop. It is counter bored to accommodate a better fit at the shoulder. It also has a durable Black Oxide finish. Length is .750" Outside diameter is .820 With a clean crisp knurl. 100% Made in the USA! Please confirm size before ordering.
https://m.media-amazon.com/images/I/81yBo3kIouL._AC_SL1500_.jpg https://m.media-amazon.com/images/I/61X9aHfmJgL._AC_SL1500_.jpg
https://m.media-amazon.com/images/I/41CEF7JwzxL._AC_.jpg https://m.media-amazon.com/images/I/51yy8jRdlsL._AC_.jpg https://m.media-amazon.com/images/I/51TzUtrEcxL._AC_.jpg https://m.media-amazon.com/images/I/31MC7AwBjlL._AC_.jpg
https://m.media-amazon.com/images/I/41CEF7JwzxL._AC_US40_.jpg https://m.media-amazon.com/images/I/51yy8jRdlsL._AC_US40_.jpg https://m.media-amazon.com/images/I/51TzUtrEcxL._AC_US40_.jpg https://m.media-amazon.com/images/I/31MC7AwBjlL._AC_US40_.jpg
MAIN PT01 PT02 PT03
Thread Protector for 1/2x28 Thread  Steel 
https://www.amazon.com/vdp/01dafb016a8c4340800c57cadb337c29?ref=dp_vse_rvc_0
Down Range Products
{"Color": "Black", "Manufacturer": "Down Range Products", "Part Number": "4072", "Date First Available": "May 28, 2016"}