Krink K-63 Ink Squeezer - Super Black
Krink K-63 Paint Squeezer Super Black alcohol-based ink is permanent and opaque. High quality ink works on most surfaces. 2oz/60ml capacity. Excellent for use on glass, metal, coated paper, and painted surfaces. 15mm round tip is best for smooth surfaces.
I recommend this product
Super opaque squeezable marker body. Remove the regulator from the nib for better drips. Will use more ink but it's worth it.