Amazon.com: Edding Handwriter Handwriting Pen – Black Ink – 0.6mm - Pack of 3 : Office Products
Amazon.com : edding 8750 industry paint marker - black - 1 pen - round nib 2-4 mm - paint marker for writing on dusty, slightly oily surfaces, tyres, metal, glass and wood - permanent, waterproof : Office Products
Amazon.com : edding 8300 industry permanent marker - red - round nib 1.5-3 mm - for permanent marking on slightly oily and dusty surfaces : Office Products