The Frelan Hardware Brass Counter Flap Catch Polished Chrome does exactly as the name suggests, it holds a flap safely upright when over centre opening is not possible. The most common application for this type of catch is the flap on the bar in your local pub. It is made from solid brass & has a polished chrome finish. Other Variations There are also other finish variations of this catch available: Polished brass Satin chrome Some of these other hinges can be found in the related products