Uni Jetstream Prime 3&1 Multi-Function Pen

Uni Jetstream Prime 3&1 Multi-Function Pen

Seamlessly combining executive elegance with everyday utility, the Uni Jetstream Prime 3&1 Multi-Function Pen integrates three smooth ballpoint colors and a precise mechanical pencil into a single sophisticated metal barrel. Powered by Uni's ultra-low-friction Jetstream hybrid ink, this rotary twist multi-pen glides across paper with dark, crisp lines and instant-drying performance. With a balanced, stealth matte black finish and a minimalist slit clip, it is engineered for professionals, executives, and journaling enthusiasts who demand versatile performance without carrying multiple instruments.

Key Features

• 4-in-1 Rotary Functionality: Effortless twist mechanism smoothly rotates between 0.7mm black, red, and blue ballpoint inks plus a 0.5mm mechanical pencil.
• Ultra-Low-Friction Jetstream Ink: Fitted with genuine SXR-200 metal refills, providing crisp, smudge-resistant lines with remarkably smooth glide and zero drag.
• All-Metal Streamlined Chassis: Premium weighted brass and stainless steel construction with an ergonomic center of gravity for steady, fatigue-free writing.
• Stealth Matte Black Finish: Cohesive, modern aesthetic featuring smooth contours and a distinctive flat slit-style pocket clip.
• Quick-Drying & Archival: Hybrid oil-based formula dries virtually instantly, making it ideal for left-handed writers, rapid notes, and official signing.

Specifications

• Brand: Uni Mitsubishi Pencil
• Product Type: Multi-Function Ballpoint Pen
• Model: MSXE4-5000-07 (MSXE455007.24)
• Ink Colors: Black, Red, Blue (0.7 mm SXR-200-07)
• Pencil Mechanism: 0.5 mm Mechanical Pencil
• Body Material: Metal (Brass / Stainless Steel)
• Mechanism: Rotary Twist Advance
• Country of Origin: Japan

Frequently Asked Questions

What functions are included in the Uni Jetstream Prime 3&1?
The pen includes three 0.7mm Jetstream ballpoint inks (black, red, and blue) and a built-in 0.5mm mechanical pencil in a single body.

How do you switch between pen colors and pencil?
Gently twist the upper barrel to smoothly rotate through the black, red, and blue ink points and the mechanical pencil. Once the pencil is engaged, push down to advance lead.

What refill types does this multi-function pen accept?
It uses standard D1-size Uni SXR-200 metal refills (available in 0.5mm and 0.7mm line widths) for all three ballpoint positions.

How is the mechanical pencil refilled with lead?
Pull out the front mechanical pencil component from the internal mechanism and insert up to two 0.5mm graphite leads into the pipe reservoir.

Is the Jetstream ink smudge-proof and fast-drying?
Yes, Uni Jetstream ink uses an ultra-low-friction hybrid oil-based formula that dries instantly on paper, eliminating smearing.