Hammer Effect Bowling Ball Select Weight:12 lbs. Interchange both the sliding soles

Interchange both the sliding soles and the traction soles to give you the most precise slide to fit your game

and our very own in-house label

it also has a built in USB port to charge your phone on the go

Designed for a consistant roll and better lift through proper thumb release

Color: Black/Aqua/Silver

Hammer Effect Bowling Ball Select Weight:12 lbs. Interchange both the sliding solesResponsive Power Through the Mid Lane The Hammer Effect bowling ball combines a polished pearl reactive cover with an asymmetric core to create a clean front lane read and a strong move through the middle and back of the lane. It is a high performance option for experienced bowlers who want a defined motion on medium to heavy oil. Its HK22 Cohesion Pearl coverstock is designed to clear the front part of the lane before responding strongly to friction.