VERY LIMITED QUANTITYTHIS COULD GET UGLY...Nothing's more deadly than No Mercy. It's a new approach to ball technology and layouts that's simply better. The new HART core concept and Violent Response Reactive coverstock make it a killer on the backend. You can almost taste their fear. Bon Appetit.TECHNOLOGY TURNS EVIL. The dominating Hammer Aggressive Reaction Technology HART core inside this killer makes it a feared competitor. Driven by simple layouts, its attack on the backend will show no mercy.Hammer Aggressive Reaction Technology HARTHammer is very pleased to introduce the new Hammer aggressive Reaction Technology HART core concept to the bowling industry. Developed by our team of design engineers, this radical new concept in bowling ball core design provides maximum performance without the need for exotic layouts and weight holes. It is that simple.Combining the new HART core concept and Violent Response Reactive coverstock gives the bowler more aggressive hook motion and improved hitting power. This unique core concept delivers aggressive backend reaction by placing the pin at 130 with the HART in track see Drilling 1.The No Mercy is very simple to drill. For layout purposes, please use the plastic bag as a template.What is an X OutAn X Out is the same ball with color pattern issues. Balls look great though. An X Out has the followingSame coreSame reactionSame coverstockSame warrantyIT IS ALSO USBC APPROVEDA Hammer product can classify as an X Out for any of the following reasonsUnique PinCG Placement, Top Weight, and Mass Bias LocationSmall Pitting in the CoverstockDiscolorationAll Hammer X Outs come with the same manufacturers warranty as first quality balls. NOTE Due to the limited availability of Blems, X Outs, and Seconds pin placement and top weight are not guaranteed.Product Type Bowling Balls