The result?. Mass Bias Differential (MB) 0.020 (15lb).
NIB 14# Hammer Zero Mercy Pearl Bowling Ball - 14.3/2-3" Pin/2.30oz TW
Hammer Zero Mercy Solid Bowling Ball
NIB 15# Hammer Zero Mercy Solid Bowling Ball - 15.3/3-4" Pin/2.90oz TW
Hammer Zero Mercy Solid Bowling Ball 15lb 3oz, 3-4"pin 2.8oz top weight
NIB 14# Hammer Zero Mercy Solid Bowling Ball - 14.3/3-4" Pin/2.60oz TW
NIB 14# Hammer Zero Mercy Solid Bowling Ball - 14.4/3-4" Pin/2.80oz TW
