Is this 0.5 or 0.7mm？

0.5. My preferred pen for years.

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🖋️ Elevate your writing game with precision and flow that never quits!

BUILT TO LAST - Durable tungsten carbide ball tip resists wear for long-lasting smoothness.
SEE YOUR INK LEVEL - Transparent barrel lets you track ink supply—never get caught empty.
WRITE WITHOUT LIMITS - Uni-Flow ink system ensures a continuous, skip-free flow until the last drop.
PRECISION IN EVERY STROKE - Micro 0.5mm tip delivers ultra-fine 0.3mm lines for flawless detail.
TRUSTED FOR OVER A DECADE - A professional favorite for 10+ years, combining reliability with style.

The Uni-ball Signo Dx UM-100 Gel Ink Pen features a micro 0.5mm tip that writes ultra-fine 0.3mm lines using waterproof pigment gel ink. Its patented Uni-Flow system guarantees smooth, consistent ink delivery until the last drop, while the tungsten carbide ball tip ensures durability. The transparent barrel allows easy ink level monitoring. Trusted by professionals for over 10 years, this 10-pack of blue pens combines precision, reliability, and sleek design for everyday excellence.

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Are the products genuine and authentic?+

Yes, all products are sourced directly from authorized retailers in the US, UK, UAE and India. We maintain strict quality control processes and verify each product before shipping. All items come with applicable manufacturer warranties and are covered by our standard return policy.

How long does delivery take and is it reliable?+

Delivery times vary by destination country, typically ranging from 3-9 business days. Each order is fully trackable through our system. We handle all customs clearance and use reliable courier partners for last-mile delivery. You'll receive regular updates about your order status via email and our app.

What is Desertcart? Is it safe to order from?+

Desertcart is an international e-commerce platform operating since 2014. We securely process thousands of orders globally each day. Every product goes through our quality verification process before delivery, and we provide end-to-end order tracking, 24/7 customer support, and a comprehensive returns policy to ensure a safe shopping experience.

How is product pricing calculated?+

Our prices include the product cost, international shipping, import duties, customs clearance, and local delivery charges. We handle all customs and import procedures, ensuring there are no hidden fees upon delivery. PRO members receive additional benefits including free shipping.

AR$62181

Duties & taxes incl.

Argentinastore

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Trustpilot

TrustScore 4.5 | 7,300+ reviews

Zainab N.

Fantastic and great service. Shipping was faster than expected.

1 week ago

Ali H.

Fast shipping and excellent packaging. The Leatherman tool feels very premium and sturdy.

1 day ago

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Manufacturer	Uniball
Brand	uni-ball
Model number	BC30647
Product Dimensions	15.8 x 6 x 3 cm; 12 g
Color	Blue
Closure	Snap
Grip Type	Smooth
Material Type	Plastic
Number of Items	10
Size	10 Count (Pack of 1)
Point Type	Extra Fine
Line Size	0.5mm
Ink Color	Blue
Manufacturer Part Number	4902778947081
Item Weight	12 g

uni-ballSigno Dx Um-100 Gel Ink Pen - 0.5 Mm - 10 Pcs - Uni Mitsubishi Pencil(Black)

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