Bowler Ratings

PatternStTwCr
Oily:X.XX.XX.X
Medium:X.XX.XX.X
Dry:X.XX.XX.X
Sport:X.XX.XX.X

Bowler ratings are from 1 to 10 in order of Stroker (ST), Tweener (TW), Cranker (CR)

Note: Ratings are only available to our subscribers.

General Info

Coverstock Specs
Name:NBT Solid
Type:Reactive Solid
Box Finish:500 / 500 / 500 / 1000 Abralon / Powerhouse Factory Finish Polish
Color:Red / Navy / Purple
Empty
Core Specs
Name:Gas Mask
Type:Asymmetrical
RG:2.50
Diff:0.058
Int. Diff:0.014

The Black Widow Assassin is the reincarnation of the Black Widow series to the Hammer line up. This new offering surrounds the ever popular Gas Mask core with the Next Big Thing solid coverstock that was used in the First Blood. This cover comes finished at 1000 Abralon with Powerhouse Factory Finish.

The polished cover was best for us on the medium test pattern. The lower RG core shape revs up quickly for all styles of bowlers. The polished cover allows this ball to store plenty of energy for the back end. All three testers were able to open up their angles through the front of the lane as the pattern broke down, catching ...

Hammer Black Widow Assassin Comparisons

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To compare the Hammer Black Widow Assassin to any other bowling ball(s), please use our Bowling Ball Comparison tool.

The BTM Ball Testing Team

About The BTM Ball Testing Team

The BTM Ball Testing Team is led by Eric Martinez. Our team of three testers has thrown and reviewed hundreds of bowling balls for Bowling This Month. When not testing balls for BTM, Eric owns and operates University Pro Shop in San Antonio, TX and he is an avid competitive bowler. Click here to learn more about how we test and review bowling balls.