3/4" Hose Barb x 1/2" Male NPT (National Pipe Thread) Stainless Steel.
This is the connection you will want to adapt a 3/4" Garden Hose to your hose reel.
Be sure to also purchase a Garden Hose thread adapter for the end of your Garden Hose that hooks up to your water source.
SKU: N400-075-050SS