ALL-WEATHER METAL PEN – BLACK INK

The pressurized ink cartridge in this refill
operates in temperatures from -34 ° C to 121 ° C
(-30 ° F to 250 ° F), underwater (up to 35 feet)
and at any temperature what angle. Ink and
delivery system used exclusively in RITE IN THE
RAIN pens write without skipping in extremely
humid conditions. The permanent ink writes
through water, sweat, grease and mud, without
clumping or smearing.