Black Solid Urethane

by Hammer
Hammer Black Solid Urethane bowling ball photo

Performance Urethane Solid Coverstock

LED Symmetric Core

16 lb 15 lb 14 lb 13 lb 12 lb
RG 2.61 2.65 2.68 2.631 2.628
Diff 0.03 0.015 0.013 0.02 0.026
Length 106% 131% 150% 119% 118%
Flare 33% 0% 0% 11% 24%


  • Factory Finish:
    1000 Grit