This product is sold as Each. It is used in Pairs.
Standard on M76 and M76XL faucets manufactured after May 2022
It may be used in place of K1191 which was standard on faucets manufactured before June 2022
This K1193 differs from the K1191 in that the faucet can be raised higher above the sink if the deck union flanges are not screwed all the way onto the deck unions.
Includes the components shown.
This appearance of this part is the result of the 3,000+ degrees F soldering process. It isn't "bad" and it isn't "used".