Free U.S. shipping over $59
Founded in the 19th century in Tokyo, Mitsubishi Pencil has been one of the world's leading pen and pencil manufacturers for generations. Well-known around the world for their Uni brand of pens and pencils, Mitsubishi continues to innovate and release new products, like POSCA paint markers and an ever-expanding lineup of writing pens.
Mitsubishi Pencil Co. - Uni Pencil, B, Set of 12 with Eraser - St. Louis Art Supply
Vendor:Mitsubishi Pencil Co.

Uni Pencil, B, Set of 12 with Eraser

$16.95
Mitsubishi Pencil Co. - Uni Signo 307 Gel Pen Refill, 0.7 mm - St. Louis Art Supply
Vendor:Mitsubishi Pencil Co.

Uni Signo 307 Gel Pen Refill, 0.7 mm

$1.49
Save 28%
Uni POSCA Paint Markers, Medium Tip (PC-5M), Set of 16
Vendor:Mitsubishi Pencil Co.

Uni POSCA Paint Markers, Medium Tip (PC-5M), Set of 16

Sale price$49.95Regular price $69.27
Toirono Colored Pencils, Set of 12
Vendor:Mitsubishi Pencil Co.

Toirono Colored Pencils, Set of 12

$27.95
Mitsubishi Pencil Co. - BOXY-100 Ballpoint Pen - St. Louis Art Supply
Vendor:Mitsubishi Pencil Co.

BOXY-100 Ballpoint Pen

$1.89
KH-20 Desktop Pencil Sharpener, Engine Red
Vendor:Mitsubishi Pencil Co.

KH-20 Desktop Pencil Sharpener, Engine Red

$26.95
Mitsubishi Pencil Co. - Uni Watercolor Pencils, Botanical Pocket Set - St. Louis Art Supply
Vendor:Mitsubishi Pencil Co.

Uni Watercolor Pencils, Botanical Pocket Set

$18.50
Mitsubishi Pencil Co. - Uni Watercolor Pencils, Set of 24 - St. Louis Art Supply
Vendor:Mitsubishi Pencil Co.

Uni Watercolor Pencils, Set of 24

$57.95
Uni-ball One Rollerball Pens, Extra Fine, Set of 8
Vendor:Mitsubishi Pencil Co.

Uni-ball One Rollerball Pens, Extra Fine, Set of 8

$12.95
Mitsubishi Pencil Co. - Polycolor Colored Pencils, Set of 12 - St. Louis Art Supply
Vendor:Mitsubishi Pencil Co.

Polycolor Colored Pencils, Set of 12

$17.95
Mitsubishi Pencil Co. - Mitsubishi 9850 Pencil, HB, Set of 12 - St. Louis Art Supply
Vendor:Mitsubishi Pencil Co.

Mitsubishi 9850 Pencil, HB, Set of 12

$11.95
Zento Flow Rollerball Pen, Hematite
Vendor:Mitsubishi Pencil Co.

Zento Flow Rollerball Pen, Hematite

$11.95
Uni Watercolor Pencils, #899 Black
Vendor:Mitsubishi Pencil Co.

Uni Watercolor Pencils, #899 Black

$2.59
Uni Basic Permanent Marker A-5E
Vendor:Mitsubishi Pencil Co.

Uni Basic Permanent Marker A-5E

$1.39
Uni Watercolor Pencils, #837 Blue Violet
Vendor:Mitsubishi Pencil Co.

Uni Watercolor Pencils, #837 Blue Violet

$2.59
Polycolor Colored Pencils, #06 Green
Vendor:Mitsubishi Pencil Co.

Polycolor Colored Pencils, #06 Green

$1.29
Mitsubishi Pencil Co. - Hi-Uni Pencil, HB, Set of 12 - St. Louis Art Supply
Vendor:Mitsubishi Pencil Co.

Hi-Uni Pencil, HB, Set of 12

$19.95
Save 26%
Uni POSCA Paint Markers, Portrait Colors Set (PC-5M)
Vendor:Mitsubishi Pencil Co.

Uni POSCA Paint Markers, Portrait Colors Set (PC-5M)

Sale price$25.95Regular price $34.93
Save 30%
Uni POSCA MOP'R Paint Marker (PCM-22), Full Set of 8
Vendor:Mitsubishi Pencil Co.

Uni POSCA MOP'R Paint Marker (PCM-22), Full Set of 8

Sale price$107.50Regular price $153.70
Mitsubishi Pencil Co. - Uni Kuru Toga Mechanical Pencil, 0.5 mm, Black with Metal Grip - St. Louis Art Supply
Vendor:Mitsubishi Pencil Co.

Uni Kuru Toga Mechanical Pencil, 0.5 mm, Black with Metal Grip

$13.50
Save 31%
Uni POSCA Paint Markers, Fine Tip (PC-3M), Set of 16
Vendor:Mitsubishi Pencil Co.

Uni POSCA Paint Markers, Fine Tip (PC-3M), Set of 16

Sale price$44.95Regular price $65.35
Uni Watercolor Pencils, #873 Olive Green
Vendor:Mitsubishi Pencil Co.

Uni Watercolor Pencils, #873 Olive Green

$2.59
Polycolor Colored Pencils, #38 Umber Red
Vendor:Mitsubishi Pencil Co.

Polycolor Colored Pencils, #38 Umber Red

$1.29
Mitsubishi Pencil Co. - Uni Pencil, HB, Set of 12 with Eraser - St. Louis Art Supply
Vendor:Mitsubishi Pencil Co.

Uni Pencil, HB, Set of 12 with Eraser

$16.95

Reward yourself — or treat a friend

Gifts Under $50

Gifts Under $50155

Scent in the Studio

Scent in the Studio15

Traveler's Company69

Fountain Pens133

Any questions?

We'd love to hear from you. You can reach our friendly customer service people at [email protected].

Free Shipping Over $59

Orders over $59 ship free to U.S. addresses.

Quick, Local Warehouse

We ship within one business day from our St. Louis, MO headquarters. No drop shipments, ever.

Trusted for 10 years

We've served artists since 2015. We use top-notch technology. And we stand behind our products.
© 2025 St. Louis Art Supply. 
  • American Express
  • Apple Pay
  • Diners Club
  • Discover
  • Google Pay
  • Mastercard
  • PayPal
  • Shop Pay
  • Visa