Used to check that tournament croquet balls meet the strict national association and World Croquet Federation size standards. A set of three gauges with maximal, nominal and minimal ball diameter holes.
- Made of clear acrylic
- 3 x accurate ball gauges with hole diameters 3 21/32”, 3 5/8”, 3 19/32” as labelled.
- Each gauge is securely fastened to the others and freely pivot independently.