All bats from ProRollers arrive to you heat rolled and compression tested to ensure complete and proper break-in. You can select a standard bat rolling service to keep the bat above the compression threshold or the ProMax service to immediately get your bat as hot as possible. A properly broken-in bat will give increased exit velo and more distance compared to a new in-wrapper bat. All bats from ProRollers undergo heat rolling and compression testing to ensure they are fully and properly broken in. Bats are processed and shipped within 24 hours, making them fully game-ready service, All bats from ProRollers are heat-rolled and compression-tested to ensure complete and proper break-in.