SAA New SAA White Masking Set - White Masking Fluid, Brushes, Ruling Pen & Maskaway This set of SAA White Mask, Masking Fluid Brushes & the SAA Ruling Pen will help improve your use of masking fluid no end! White Mask is ideal to cover up areas you want to leave blank or come back to, yet is easy to remove. Masking Brushes make applying our White Mask quick & easy. The Ruling Pen is perfect for applying masking fluid in fine detail & straight lines. Maskaway is a simple yet highly effective tool removes good quality masking fluids from a wide variety of surfaces.