Hammer Web M.B. Bowling Ball Type_ Mid Performance The Rolling Thunder line of

The Rolling Thunder line of bowling bags are Storm's top of the line bags

Extremely long slide

Lace-to-Toe Upper pattern for a Custom Fit

aiding in dirt and oil break down

Hammer Web M.B. Bowling Ball Type_ Mid Performance The Rolling Thunder line ofHammer Web M. B. The Hammer Web M. B. (Mass Bias) continues the performance success reputation of the Web series of bowling balls from Hammer. The Web M. B. features an elongated rendition of the Spheroid Core design. This core shape gives asymmetry as well as increased ball reaction that is desired by Web and Hammer fans. This upper mid performance ball has a coverstock base that was previously found on Black Widow bowling balls, the Semtex NE Pearl