Pilot Frixion Xfine marking pen. Includes 2 black 0.5 mm pens.

Features an innovative and patented Synergy Tip design for detail, durability & incredibly smooth writing. FriXion is America’s #1 selling erasable pen brand. Writes smooth & erases clean, so you can write, erase & rewrite repeatedly without damaging documents – no wear or tear! Unique, thermo-sensitive gel ink formula that disappears with erasing friction.

Color : Black
Count : 2 per pack
Size : Extra Fine Point, 1/2mm

YouTube has many tutorials about how to use this for marking in Quilting and Embroidery.

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