Surface pen tips Choose one of three pen tips that give you the best writing experience. The medium-sized tip writes like a normal pencil. Or choose a low-friction tip and write like with a fine refill pen. Compatible with Surface Pen. Specifications compatibilitySurface Pen with a side buttonDimensions1.65 x 0.87 x 0.31 in (41.81 x 22 x 8 mm)Weight0.01 pounds (5 g)IncludedPen Tip Kit (3 tips: 2H, HB, B)