ProRollers bat rolling machines have proven the test of time. Our machines have grown and adpoted to the ever changing standards across the bat industry. ProRollers offers 2 different bat rolling machines that can each handle the duty of getting your bats game ready and fully broken in. ProRollers Merlin and Magnus have full lifetime warranties and will stand the test of time even against the toughest BBCOR and USA baseball bats. These new machines feature upgraded bearings, smoother top threads for more control and and adjustable handle for more torque. Order your bat rolling machine today and take your game to the next level.