Platinum 615
The official UMB ball set
Box set contains:
• yellow ball with 6 blue rotors
• red ball with 6 blue rotors
• white ball with 6 blue rotors
• cleaning cloth
Size: 61,5 mm
Weight: 210 grams +/- 1,0 g
Density: 1,73
Roundness: ≤ 0,03mm
Hardness: ≥ 59 Rockwell
Composition: Phenolic Resin formula
Size:
Weight:
Density:
Roundness:
Hardness:
Composition:
Weight:
Density:
Roundness:
Hardness:
Composition:
61,5 mm
210 grams +/- 1,0g
1,73
≤ 0,03mm
≥ 59 Rockwell
Phenolic Resin formula
