Hammer Pure Envy vs. Hammer Black Pearl Urethane

Compare the specs of the Hammer Pure Envy and Hammer Black Pearl 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.

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Brand	Hammer	Hammer
Ball Name	Pure Envy	Black Pearl Urethane
Cover Name	HK22 - Cohesion Hybrid	Urethane Pearl 78D
Cover Type	Reactive Hybrid	Urethane Pearl
Box Finish	500 / 2000 SiaAir	500 SiaAir
Color	Black / Pink / Purple	Black Pearl
Core Name	Launcher	LED
Core Type	Asymmetrical	Symmetrical
RG	2.505	2.650
Total Diff.	0.055	0.015
Int. Diff.	0.021	0.000
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