This application is ideal for bowlers!
In case of dispute, it is the tool that allows you to quickly measure with great precision.
Simply aim the jack, the picture freezes and circles apparaissent.Servez you printed on the screen-printing on circles. You can adjust the circles on the jack to raise the accuracy.

All players can check around your screen as an image is frozen: Very friendly!

Choose the model of circles according to your taste and the desired accuracy. More than 20 styles available!