Bowler Ratings


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

Note: Ratings are only available to our premium members.

General Info

Coverstock Specs
Type:Reactive Solid
Box Finish:1500 Abralon Polished
Color:Dark Blue
Core Specs
Int. Diff:0.000

The OSW (Old School Works) is one of two releases from Bill Hall’s new bowling ball company, Blend10.  This ball uses a traditional shaped symmetric core surrounded by a solid coverstock. The OSW comes out of the box polished with a 1500 Abralon base beneath the polish.  This combination creates an arc shaped smooth ball motion through the entire lane.

The smooth motion of the OSW was best for all the testers on the medium test pattern. The OSW gave all three testers an even arcing motion on this pattern. The difference in the tester’s rev rates provided a big difference in where

Blend10 OSW Comparisons

Click below to see a comparison table of the pair of bowling balls shown:

To compare the Blend10 OSW 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.