Standards for Both Internal and External Gauges

Tool No.	Used For
6780-J	8& 10P Round Threads
6780-L	8 & 11 1/2P V Threads
6780-S	8& 10P Round and 8& 11 1/2P V threads (matched pair)
1233-A	Buttress Casing, 13 3/8" and smaller
1233-SB16	Buttress Casing, 16" and larger
6780	Shave Standard
6780-S-11	API RSC connections V040 V050
6780-S-11	API RSC connections V038, V040, V050
6780-LS	API 8 rf and Butress Casing
6780-C
6780-GS	14tpi and 18tpi Line pipe