AutoCAD 2012 DXF Reference February 2011 © 2011 Autodesk, Inc. All Rights Reserved. Except as otherwise permitted by Autodesk, Inc., this publication, or parts thereof, may not be reproduced in any......string of up to 16 hexadecimal digits (fixed)5 Linetype name (fixed)6...as a string of hexadecimal digits, two per binary byte Handles...