ABCD Rotation Answer Black Gel Pen Choose Difficult Exam Tools Anxiety And Pass The Time With A Rotatable Pen For Students Home Use And People With Difficulty Choosing 1ml Features: Novel design helps you anxiety and say goodbye to difficult choices. Tough choices, indecision, solved in one . Rotate it 120° clockwise to take out the core, and turn it counterclockwise to take out the core. The number of rotations can reach 10,000+ times. It adopts silent bearing design, quiet and noiseless. The size is , writing is smooth and feels comfortable in the hand. Product Description: Material:ABS/metal Bearing: silent bearing size: Pen length: 150mm Diameter: 11mm Weight:18g Color: Orange/Black/White/Blue Pen tip: 0.5mm black Package includes: 1* Gel Pen Product Name:ABCD Select Pen (Box Set) Blue Colors:Blue Products Included:1 * ballpoint pen Material:Plastic Display effect is different, the color may have a little error, I hope you can understand.