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.


Brand	Hammer	Hammer
Ball Name	Blue Hammer	Black Widow Urethane
Cover Name	Performance Urethane	Urethane
Cover Type	Urethane	Urethane Solid
Box Finish	800 / 1000 / 2000 / 4000 Abralon	360 / 500 / 500 Abralon
Color	Blue	Black
Core Name	NA	Gas Mask
Core Type	Symmetrical	Asymmetrical
RG	2.57	2.50
Total Diff.	0.032	0.058
Int. Diff.	0.000	0.016
Torque Length Back End Total Hook Ball Tester Ratings	See Performance Ratings... Already a premium member? Click here to log in.

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.

Bowling Ball Comparison Graph