This is a paper cone used for winding and holding industrial thread. Length: 177 mm Small Diameter Outer Diameter: Φ10 mm Large Diameter Outer Diameter: Φ69 mm Large Diameter Inner Diameter: Φ65 mm *Measurements are approximate. *Labels are generally affixed to the inside. *Generally, there is a notch on the large diameter part to hold the thread. *Thread scraps may be attached. Please feel free to comment if you have any questions!