Possibly one of the most permanent markers available anywhere, the Mighty Marker is an industrial grade, valve-controlled paint marker. This marker is filled with 13ml of extremely permanent oil based, chemical resistant, and abrasion resistant paint. What makes it special is the ultra durable double sided nib, You can use this marker as a chisel or a bullet tip, simply flip the nib around!
How smoothly does it write? Oh its butter baby! - Enjoy!