CONFORMS TO ASTM D4236 COPYRIGHT TOPCO QUALITY GUARANTEE - IF YOU ARE NOT 100% SATISFIED, RETURN OUR PRODUCT FOR A FULL REFUND. REV916 2.0MM FINE TIP, NO SMEAR LEFTOVERS - LABELED! RUMMAGE SALE - TAGGED! FROM DAILY ORGANIZATION AND NOTES TO WEEKEND PROJECTS, BE READY TO MAKE SOLID MARKS WITH HIGH QUALITY, AFFORDABLE MARKERS FROM SIMPLY DONE.