Hammer Blue Hammer vs. Hammer Black Widow Urethane

Compare the specs of the Hammer Blue Hammer and Hammer Black Widow Urethane side by side in the ball comparison table below. To view the full bowling ball review for one of these balls, click the ball name link in the table below.

Click here to add or remove balls from this comparison.

Hammer Blue Hammer
Hammer Black Widow Urethane
Ball NameBlue HammerBlack Widow Urethane
Cover NamePerformance UrethaneUrethane
Cover TypeUrethaneUrethane Solid
Box Finish800 / 1000 / 2000 / 4000 Abralon 360 / 500 / 500 Abralon
Core NameNAGas Mask
Core TypeSymmetricalAsymmetrical
Total Diff.0.0320.058
Int. Diff.0.0000.016



Back End

Total Hook

Ball Tester Ratings

Bowling Ball Comparison Graph

The graph below shows a visual comparison of the selected balls. Hover over each colored circle in the graph to see that ball’s name and ratings. Click a circle to view that ball’s full review.

Filter by Date
Filter by Torque
Filter by Back End
Torque Legend:
Back End Legend:

For more information about our bowling ball testing and review process, please click here.