LASCO 10-0061 Delta Faucet 1/2 Female Pipe Thread by 3/8 Male Compression Brass Adapter, 2 Piece

Exactly what was needed to attach different sized piping with the sink.

Buena calidad, ensambló muy bien con la mezcladora

Perfect solution.

If you are in a situation wherein you buy a new kitchen faucet and find that your angle stop valves are having 1/2 inch and the hot and cold supply lines that the new kitchen faucet came with are 3/8 inch then you are in for some headache and trouble. If you visit most local big box stores you will find plethora of plumbing items which may or may not solve the problem.If you visit local big box stores, Most likely all of them are too complicated for DiY types of work as they involve you replacing the angle stop valve with 3/8 inch fitting that requires you shutting off the house water supply to do the replacement. Most apartments and condos many renters have no clue where that is located thus making the work complicated and time consuming.Bottom-line: These help connect 3/8 smooth faucet supplies to angle stop enabling you to add new style faucet adapters to older 1/2 slip joint angle stops without having to shut-off entire house water supply just to replace a kitchen faucet. The use of a rubber gasket inside these helps stop the leaks at the angle stop valve without using any additional seals or thread.These work as intended. No leaks. Five star rating.

use it in my hot water circulation project and it works for the purpose i need, seal and no leak at first try