1. Material: PP 2. Isolate the nib to prevent poking 3. Shock-resistant and drop-resistant, reduce core breakage 4. Simple non-patterned shape, prevent distraction in class 5. A set of multi-purpose, easy to use, second pencil extenders 6. Suitable for a variety of pen shapes, hexagonal rod, triangular rod, round rod pen shape can be used 7. Size: about 4.6 x 1 cm 8. Description: only the cap is shipped, not include other
