This ball has a lower RG and higher Differential than it's predecessor

Ball Quality: 1st Quality Bowling Ball

Comfortable blucher upper pattern

Storm 4 Ball Case Box Bowling Bag Tote

so you can relax knowing that it will serve you reliably for a long time

Brunswick Hammer Black Widow Viz-A-Ball Bowling Ball Weight:12 lbs. This ball has a lowerHammer Black Widow Viz A Ball Bowling Ball The Black Widow Viz A Ball features the original Gas Mask core shape the bowling world knows and loves and is combined with a Carbon Fiber outer core for durability and power. This familiar core system is wrapped with Polyester and has a Crown Factory Polish finish. Hammer recommends Tough Scrub to keep your Black Widow Viz A Ball Performing its best! BALL SPECSPerformance Level PolyesterCore Gas MaskCore