Bowler's Tape Inventor's Reserve comes in three common sizes

This ball uses the same Results core but pairs it with the TP1 coverstock that is stronger and boosts the backend motion

Storm 4 Ball Case Box Bowling Bag Tote

but the protection is outstanding

Brunswick Hammer Black Widow Viz-A-Ball Bowling Ball Weight:12 lbs. Bowler's Tape Inventor's Reserve comesHammer 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