Hammer NU Blue Hammer vs. Hammer Extreme Envy

Compare the specs of the Hammer NU Blue Hammer and Hammer Extreme Envy 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.

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Brand	Hammer	Hammer
Ball Name	NU Blue Hammer	Extreme Envy
Cover Name	Not Urethane	Envy CFI Solid
Cover Type	Not Urethane	Reactive Solid
Box Finish	500 / 1000 SiaAir	500 / 2000 SiaAir
Color	Bad Ass Blue Pearl	Black / Crimson / White
Core Name	LED	Launcher LRG
Core Type	Symmetrical	Asymmetrical
RG	2.586	2.479
Total Diff.	0.027	0.054
Int. Diff.	0.000	0.022
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.

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Bowling Ball Comparison Graph