This adapter has two common sink faucet thread sizes by garden hose thread size.

Male Faucet Fitting = 15/16″ Straight Threads with 27 TPI (Threads Per Inch)
Female Faucet Fitting = 27/32″ Straight Threads with 27 TPI
Garden Hose Fitting = 17/16″ Straight Threads with 11.5 TPI

This product may be used with wort chillers and cleaning accessories.