1. High quality aluminum alloy handle, high resistance, light and stable 2, hole design, the ruler can be marked at an angle, and the centimeter hole is convenient to mark. 3, anti-drop handle, free hands without walking. 4. Insert drawing needle into the angle hole, and the included angle between drawing needle and the handle parallel to the desktop is the angle marked by the angle hole., Weight: 0.6393405598 Pounds, Manufacturer: Jeerylow