Hammer Spawn Black Solid 15 Undrilled Size:13 Switch Grip™ is now the

Switch Grip™ is now the leading interchangeable thumb insert on the market and is sold in over 12 countries

Technical Features:For the last decade

most controllable MCP ball we’ve ever built

M-971 Epic Black/Charcoal RH Wide

We’ve returned to the Tour covers

Hammer Spawn Black Solid 15 Undrilled Size:13 Switch Grip™ is now theHammer Spawn Performance: High Core: Gauntlet Lane Condition: Medium to Heavy Oil Aggressive Transition Benchmark: The Hammer Spawn is designed as a high performance asymmetrical benchmark that allows bowlers to remain aggressive even as lane conditions transition. It effectively bridges the gap between the Black Widow 3. 0 Dynasty and the Zero Mercy Solid by delivering a unique combination of oil traction and powerful continuation. HK22C Solid