Amazon.com : Staedtler Lumocolor Permanent Pen 318-9 Fine 0.6mm Line - Black (Pack of 4) : Office Products
Amazon.com : Staedtler Permanent Markers (STD313WP4A6), Pack of 4 pens Pack of 2 : Office Products
STAEDTLER 316 Lumocolor Pen Non-Permanent Fine 0.6mm Line Black Ref 316-9 [Pack 10] : Office Products - Amazon.com
Amazon.com : Staedtler Lumocolor 351 Whiteboard Marker Bullet Tip Approx. 2 mm line width, set of 6 markers, made in Germany, can be wiped dry and residue-free by whiteboards, 351 WP6X : Office Products