This product is sold as Each. It is used in Pairs.
Standard on M76 and M76XL faucets manufactured before June 2022. For faucets manufactured after May 2022 see K1193
These parts can be replaced with K1193
Install on sink or countertop. Attach water supply to the lower end. Attach faucet to the face.
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".