The ATM has barrel sizes #10-#18 to match Excel 30 Class Roller Guides.
The AT has barrel sizes of #12-#30 to match the Excel 50-130 Class Roller Guides.
The ATM has barrel sizes #10-#18 to match Excel 30 Class Roller Guides.
The AT has barrel sizes of #12-#30 to match the Excel 50-130 Class Roller Guides.