The Ohto MS01 is a precision mechanical pencil designed for customization. With a 0.5mm lead size, it delivers fine, consistent lines perfect for detailed writing and technical work. At 15.1 cm in length, this aluminum-bodied pencil offers a lightweight yet durable design. The click-action mechanism provides smooth lead advancement, while the refillable eraser tucked beneath the clicker cap ensures you're always prepared for corrections. Personalize the lead dispenser length, guide pipe length, and other elements to match your exact preferences and writing style.