the High Impulse features a dual density build capable of creating ample shape down lane

Plastic cup holds ball securely

It features a quality synthetic material that has a fine knit weave for a smooth

Cover Type:

backend bending

Hammer Black Magic Polish - 8oz 6 the High Impulse features aHammer Black Magic Polish 8oz Hammer Black Magic polish is the perfect thing for a ball to increase on the backend reaction, this polish will never damage the coverstock and will always increase the backend reaction and only shine them. Removes lane oil increase backend reaction keeps the ball shining Approved for use during competitions Refreshes bowling ball coverstock for optimum performance