Note; 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. 2. The line width: 0.039-0.079 inch 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. 4.Easy to clean up, won't stain hands and dark clothes, but there may be a little smears on the light clothes. The set includes , 8 Different Vibrant Color: black, blue, lime, red, pink, green, purple, orange Package size: 5.5*2.8*1.18inch, Weight: 3.18oz Marker size : 5.4*0.7 inch, Weight: 0.3oz