<b>Note:</b><br> 1. The difference between fine & chisel tip - Fine point is more writing with a pen, small and smooth lines. And Chisel is like permanent markers, wide lines great for bug bold text.<br> 2. The line width: 0.039-0.079 inch.<br> 3. The magnetic cap cannot attach to magnetic glassboard, since glass can weak magnet. But it is ok to magnetic whiteboard & mirror, refrigerator and magnetic calendar.<br> 4.Easy to clean up, won't stain hands and dark clothes, but there may be a little smears on the light clothes.<br><br><br> <b>The set includes:</b><br> 12 pack black dry erase markers-Fine tip.<br> Package size: 5.5*2.8*1.18inch, Weight: 3.18oz<br> Marker size : 5.4*0.7 inch, Weight: 0.3oz<br>