DUAL-TIP MARKER WITH RULER AND LABELS, 100/CS, SOLD AS CASE CARDINAL 261Dual Tip Marker With Ruler And Labels, 100 Cs, Sold As Case Cardinal 261 Cardinal Health Dual Tip Markers Cardinal Health Dual Tip Markers Single Sterile Dual Tip Markers Provide Versatility By Offering Two Different Inks Within One Multi Purpose Marker. One End Contains Gentian Violet Ink For Skin Marking While The Other End Contains Utility Ink For General Operating Room And Labeling Needs. Dual Tip Marker With Ruler And (6) Labels, 100 Cs