Weight
14 pounds
Release Date
Discontinued
Overseas/International Release
For Black Widow, the engine that is the source of power, the “gas mask core,” is an immovable item and a condition of existence. When considering the evolution of the series around this gas mask core, the cover stock update is inevitably the target of development, but the hammer development team is not limited to changing the cover stock type, expanding the possibilities of the Black Widow series.
Factory Finish
500/1000/2000 Siaair, Crown Factory Compound
Envy Pearl CFI Coverstock
Type
Pearl Reactive
Gas Mask Core
The Gas Mask core is the most iconic weight block in bowling. It is known for its large flare potential, versatility amongst bowling styles and its backend bite.
Core Type
Asymmetric
16 pounds
RG
2.510
Diff
0.048
MB Diff
0.015
15 pounds
RG
2.500
Diff
0.058
MB Diff
0.016
14 pounds
RG
2.500
Diff
0.056
MB Diff
0.016
13 pounds
RG
2.589
Diff
0.043
MB Diff
0.011
12 pounds
RG
2.612
Diff
0.043
MB Diff
0.011
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