The Microtech Siphon 2 Pen is the larger sized version of the original Siphon pen with improvements like a pocket clip and longer shaft with rubber o-rings for superior grip while writing. The Siphon II is a groundbreaking design from the minds that brought you the Ultratech and The HALO, simply pull the lever up to reveal the writing tip. Each Siphon II has the Microtech logo with the serial number and birth date on the pocket clip, these pens all use the universal Fisher Space Pen refill.
The stainless steel construction on the Sipohn II carries an impressive amount of detail, including the iconic Triangle Microtech fasteners along with grooves milled into the center cartridge holder. The shaft has flat sides to accommodate multiple writing styles and allows the pocket clip to sit flush against the body. The Siphon uses the Fisher Space pen refill.
Overall Length: 5.85" Diameter: 0.50" Blade Material: Black Ink Blade Thickness: NA" Handle Material: Stainless Steel Weight: 2.65oz. Closed Length: 3.90" Knife Category: Tactical Pen Action: Open, Write Blade Style: Fisher Space Pen Insert Country of Origin: USA