and rounded corners

Perfect for technical and detailed drawings

nitrogen-based

It responds effortlessly to pressure

on the run otr 001 hard to buff squeeze marker 22 mm Painting on stones and rounded cornersThe OTR. 001 Hard To Buff is a heavy duty squeezer loaded with ultra permanent ink, built for bold marks with that classic squeeze marker flow. This one hits with deep black coverage and a smooth, juicy output. The 22 mm nib gives you extra wide strokes, fat drips, and big letter movement when you want your lines to really dominate perfect for filling larger areas and making a statement. Inside you've got the legendary OTR. 970 Hard To Buff ink known