Most material offered by us will be of an industrial grade. What that means for you is, you will receive a high quality long alsting product at a substantial savings. Be sure to add me to your. You are looking at one(1) of the following.Hose fitting aluminum 3npt part b female coupler354wh air tool accessories acm and groove hose fitting. You are looking at one. Female coulper x male npt. All material is surplus, and we have no way of testing anything we sell. Please review the pictures carefully. Are unused and in as new condition, all material noted as. Are used nad in a usable or repairable condition.