Hammer Purple Pearl Urethane 78D vs. Hammer Zero Mercy Pearl

Compare the specs of the Hammer Purple Pearl Urethane 78D and Hammer Zero Mercy Pearl 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	Purple Pearl Urethane 78D	Zero Mercy Pearl
Cover Name	Urethane Pearl 78D	HK22C2 Pearl
Cover Type	Urethane Pearl	Reactive Pearl
Box Finish	500 SiaAir	500 / 1000 / 1500 SiaAir / Factory Compound
Color	Purple Pearl	Silver / Orange / Black
Core Name	Super LED	Super Offset
Core Type	Symmetrical	Asymmetrical
RG	2.632	2.524
Total Diff.	0.034	0.053
Int. Diff.	0.000	0.020
Torque Length Back End Total Hook Ball Tester Ratings	See Performance Ratings... Already a premium member? Click here to log in.

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