Drum size: φ19.7 inches (500 mm); Compatible band size (for automatic packagings); Roll core: Inner diameter 7.9 inches (200 mm); Roll width: 6.3 inches (160 mm); Band width: 1.5 inches (38 mm); PP band (sold separately); EA628PL-21A, 22A; There is no brake function, but the rubber part of the included red circle of the band will be no extra band with the attached file will be no extra rotation speed when rotated by rotating speed of the band will be no extra band due to the elastic part of the band when rotation. (See other materials) Includes tool tray; Frame and disc tray are made of steel; For automatic packing machines.