Nipple Chucks 1/2" to 4" - National Pipe Thread (NPT) Choose Chuck:62007 3" NPT Nipple Chuck 9 Volt battery and programming

9 Volt battery and programming instructions

I am guessing that this set was fabricated in the 1800's but I really have no paperwork supporting this

I don't know the original name

but needs polishing

Nipple Chucks 1/2" to 4" - National Pipe Thread (NPT) Choose Chuck:62007 3" NPT Nipple Chuck 9 Volt battery and programming62000 1 2" NPT Nipple Chuck 3 lb. (1. 4kg) 3 lb. (1. 4kg) 62001 3 4" NPT Nipple Chuck 3 lb. (1. 4kg) 3 lb. (1. 4kg) 62002 1" NPT Nipple Chuck 3 lb. (1. 4kg) 3 lb. (1. 4kg) 62003 1 1 4" NPT Nipple Chuck 5 lb. (2. 3kg) 62004 1 1 2" NPT Nipple Chuck 5 lb. (2. 3kg) 62005 2" NPT Nipple Chuck 5. 5 lb. (2. 5kg) 62006 2 1 2" NPT Nipple Chuck 8 lb. (3. 6kg) 62007 3" NPT Nipple Chuck 8. 5 lb. (3. 8kg) 62009 4" NPT Nipple Chuck 12 lb. (5. 5kg)