Hammer

Weight
14 pounds
Hammer Black Widow Clear
PBA Approval Date
Release Date
Discontinued

The deadliest spare ball in bowling. Seduce and kill the one left standing.

Factory Finish
Polished
Polyester Coverstock
Type
Polyester
Pancake (Columbia/Hammer) Core
Pancake Weight Block
Core Type
Symmetric
16 pounds
RG
2.640
Diff
0.020
15 pounds
RG
2.650
Diff
0.020
14 pounds
RG
2.690
Diff
0.020
13 pounds
RG
2.720
Diff
0.020
12 pounds
RG
2.750
Diff
0.020
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