This Dramm Brass Shut Off Valve is the best valve that is shut - off being offered out in the market. It allows for water control using just your fingertips to be attached at the end of your hose. Just a slight turn of the ergonomic and large handle and it will turn the water off. The type of water flow is full, great for any watering needed. It is constructed from durable seals, hard chrome plated ball and brass that will provide years and years of use. Fits 3/4'' hose threads.
We apologize, but do not understand what you are referring to when you say 1/2 by 1/2 size. The Dramm Brass Shut Off Valve fits a 3/4 inch hose end. Please call us at 866-581-7378 to speak to a representative Mon-Fri 9am-5pm.