Staples® OptiFlow Black Pen.
0.5 mm (1/64 inch) fine point with easy-flowing ink offering extra-smooth sketching.
Visible ink supply so users never run out unexpectedly.
Water-soluble - ideal for sketching.
Packing Size: 14 x 2 x 1 cm (5 1/2 x 25/32 x 25/64 in.)
Weight: 12 g (0.42 oz)
Needle-tip Rollerball Pen
$7.00Price