measuring devices for: javelins and hammers, gravity centre tester, 2 callipers, scale, test throwing implements in terms of all technical requirements defined by the International Association of Athletics Federations ...
measuring devices for: javelins and hammers, gravity centre tester, 2 callipers, test throwing implements in terms of all technical requirements defined by the International Association of Athletics Federations ...
The device is designed to test safely a location of gravity centre of athletics hammer heads (shot puts). The hammer head (shot put) stays securely ...