This cue ball is marked with 6 black rotors for increased feedback on speed.
Specifications:
Size: 57,2 mm +/- 0,08mm
Weight: 169 grams +/- 1,0 gram
Density: 1,73
Roundness: ≤ 0,03mm
Hardness: ≥ 59 Rockwell
Composition: Phenolic Resin