Dynaspheres® Cobalt 572

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The development of Phenolic Resin Balls proved to be much more difficult than expected and especially the colour-control of the final product was a big issue which could not be sol ved easily. But Mr. Adrian Wang, the son of the founder of XinBiing Co, had the opportunity to meet with Mr Bob Simpson, Chairman of the Hyatt™ Ball Company out of Albany, NY. Box set contains 1 cue-ball with 5 red dots7 “striped” balls8 “solid” balls Specifications Size 57,2mm Weight 169 grams +/-1,0g Density 1,73 Roundness ≤ 0,03mm Hardness ≥ 40 Rockwell Composition Dynaphex Resin Show more