Featuring our new Vanguard Core Technology, a "HOLE" new concept -- More Continuation, Less Deflection, and Better Pin Carry; it is truly a WEAPON OF MASS BIAS. WMB offers a 75% Stronger Mass Bias and a 20% Faster Spin Time than our previous core designs, and is surrounded by an all new Versatile Particle Cover. It's SO dramatic, you can SEE and HEAR the difference!

The Perfect Scale®: Helping Bowlers Make Better Decisions. Because each manufacturer uses a different method for indicating a ball's hook potential, bowlingball.com developed a way for the consumer to compare bowling balls across all manufacturers.
See what other people are saying about the Weapon Of Mass Bias (WMB) Bowling Balls by reading customer reviews