The per-weight specifications are listed below.
Bestseller! Hammer Zero Mercy Solid Bowling Ball 15lbs Black Orange Purple White
Hammer Zero Mercy solid black/Red Bowling Ball 15lb/NIB/Popular!!
Hammer Zero Mercy Ghost Pearl 15LB Bowling Ball/ NIB HK22C Pearl
14# 1st Quality NIB Hammer Zero Mercy Solid Bowling Ball 3-4 Pin 2.4 Top
Hammer Zero Mercy Solid 15lb Bowling Ball NIB
Hammer Zero Mercy Bowling Ball 14lb Overseas Edition - Pink/Purple/White Pearl
