OHTO Horizon is a smooth and well designed pen. The aluminum metal body smoothly transitions from round tip to hexagonal top. The pen weighs in your hand, but it's not too heavy. The pen is refillable. The refill is designed by OHTO, with a 0.7mm ball point needle tip. The pen glides smoothly and writes fine. Since it's needle tip, the ball point pen almost feel like writing with a 0.5 fine gel pen. The pen also comes with a button on the side to retract the tip. Overall, the pen writes well and looks professional. 0.7mm ballpoint Black Ink