Please kindly noted that this item is sold by Jundayo from Joybuy marketplace. Multifunction Caliper Pen 0-100 Vernier Caliper Roller Ball-Point 1.0mm Plastic Student Stationery Gift Measuring Tools Feature: Can be used as a ruler or write, with black/blue refills available Push-type ballpoint pen, easy to disassemble, replaceable refill, convenient for long-term use. Specification: Size: 0-100mm/0-3.9in Pen head: bullet type 1.0 Material: plastic Note: Due to the different monitor and light effect, the actual color of the item might be slightly different from the color showed on the pictures. Thank you! Please allow 1-2cm measuring deviation due to manual measurement. Included: 1 X Vernier Caliper Pen _x005f_x000D_ Can be used as a ruler or write, with black/blue refills available Push-type ballpoint pen, easy to disassemble, replaceable refill, convenient for long-term use