help you quick connect the taps and hoses, and make water system for your home, garden or even small field. Each adapter can be separated into 2 parts, having 2 different sizes threads; When the 2 parts combined, the adapter fits to 1/2 inch tap; When unscrew the bottom part, the adapter fits to 3/4 inch tap. Built to fit most male ended (16mm OD), it can be securly attached in seconds and can be detached with a simple pull down of the body resistance to corrosion and no rust;the durable material long-term use for many years, can be used for indoor appliances and outdoor home yard. the hose tap are suitable for BSP garden hose faucet, washing machine and many other standard garden hoses or faucets. colour:copper Material:copper Package Contents: 2*1/2 inch and 3/4 inch two-in-one hose 2*1/2 inch hose pipe quick Only the above package content, other products are not included. Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.