The product is a snooker ball position marker, made of high quality acrylic, which is solid, sturdy, stable, service for a longtime. The white cue ball can be placed back exactly with it which helps to increase the accuracy of the ball position and enhance the professions of the game. Clean the dust or dirt on the ball, put the ball to the the arc positioned of the locator, it guide the ball to the right position. This ball marker is suitable for all balls for both snooker and pool. It is very practical, lightweight, and easy to use, a great snooker pool accessory.