Description: What this ball point pen can offer you is that it has a caliper with precise scale, so that you can record the size immediately after measuring, making it easy for you to make various handicrafts. This ball point pen allows you to seamlessly switch between measurement and marking and writing, making your work more efficient. It is made of plastic, which is durable for long term use. The length of the product is 15cm. School, office, home are suitable places for this pen to use. Item Name: Ball Point Pen Material: Plastic Color: Black, Blue Features: Smooth Ink, DIY, Beadable Pen Nib: 1.0mm Caliper Specification: 0-100mm Size Details: Each Ball Point Pen Length: 15cm/5.91" (Approx.) Notes: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Package Includes: 10 x Ball Point Pen