Since its founding in 1921, Sakura Color Products Corp., in Osaka, Japan, has shaped creative expression through technical stationery breakthroughs such as Cray-pas oil pastels and Coupy-Pencil colored leads. In 2017, the manufacturer launched SAKURA craft_lab, an experimental design division dedicated to creating adult writing instruments that rekindle childhood creative instincts through vintage aesthetics, precision metalworking, and pigmented gel inks.

Expanding on a lineage known for raw machined brass, textured aluminum, and rugged finishes, Sakura has debuted its first wood-focused platform: the SAKURA craft_lab 011. The series pairs solid forward-weighted brass sections with natural hardwoods, introducing organic warmth and individual grain patterns to the brand's mechanical architecture.

Hands holding a wooden barrel ballpoint pen with gold-colored metal accents over a textured fabric surface.

Mechanical Architecture and Handfeel

The construction centers on a front brass nose and grip paired with a natural hardwood upper barrel. Machined from solid brass, the front section shifts the pen's roughly 41g total mass forward toward the writing surface, reducing grip fatigue during long writing sessions.

Gold-toned Pilot fountain pen nib featuring a delicate cherry blossom engraving on a textured surface.

The Sakura craft_lab’s pen mechanism uses a dial at the end of the pen to expose the pen tip to write.

Deploying the writing tip relies on Sakura craft_lab’s signature rotary crown mechanism: an elegant brass dial that twists smoothly to advance the pen tip. The top crown is engraved with Sakura’s historic cherry blossom emblem, serving as an understated homage to the company's century-old heritage. Both the bare brass and raw timber barrels are left uncoated by thick lacquers, allowing them to oxidize, absorb natural oils, and develop unique patinas with daily handling.

Various premium wooden fountain pen barrels featuring polished gold-toned metal accents and rich grain textures.

From top to bottom: Amboyna Burl, Indian Rosewood, and Walnut

Three Select Natural Hardwoods

Each barrel is turned from one of three select timbers, ensuring no two pens feature identical grain structure or figuring:

Amboyna Burl / Karin (アンボイナ / 花梨): Harvested from Southeast Asian padauk burl formations, Amboyna is prized among lutherie craftspeople and woodturners for its dense, swirled grain. It displays deep amber-red undertones that darken into a rich, lustrous finish over time.

Indian Rosewood (インドローズウッド): A staple tonewood in fine guitar construction and architectural cabinetry, Indian Rosewood offers exceptional structural hardness, dense grain, and deep chocolate-to-violet hues.

Walnut (ウォールナット): Ranked among the "world's three great cabinet timbers," North American black walnut provides a straight, fine grain pattern, balanced elasticity, and a soft, muted brown tone that complements warm brass.

A hand holding a wooden grain patterned ballpoint pen writing on a printed document with a graph.

Gel Formulation and Ink Spectrum

The 011 houses Sakura’s 0.5 mm water-based gel refill (R-LGB05A), engineered for clean line definition without bleed-through on fountain-pen-friendly papers. While each pen ships pre-loaded with standard archival Black ink, the model supports Sakura's line of nuanced "color-black" refills:

Stock Ink: Black

Optional Replacement Shades: Pure Deep Black (Shikkoku / 漆黒), Blue Black, Bordeaux Black, Green Black, Brown Black, and Black

The optional Shikkoku (漆黒) refill uses high-density carbon pigments formulated to yield an opaque, jet-black line reminiscent of traditional Japanese lacquerware.

Product Specifications & Japanese Retail Availability

Product Name: SAKURA craft_lab 011

Brand / Manufacturer: Sakura Color Products Corp.

Mechanism: Single-color twist-action retractable gel ink ballpoint

Ball Point Diameter: 0.5 mm

Dimensions & Weight: Length: 131.2 mm; Barrel Diameter: 12.5 mm; Weight: ~41 g

Refill Model: Sakura R-LGB05A (Standard issue: Black)

Materials: Machined brass and natural hardwood

Barrel Variants & Pricing:

Amboyna Burl / Karin: ¥27,500 (tax included)

Indian Rosewood: ¥27,500 (tax included)

Walnut: ¥25,300 (tax included)

Replacement Refills: ¥275 for Shikkoku (Jet Black); ¥220 for standard color-black shades (tax included)

Official Webpage: craft.lab.craypas.com/011/

Where to Buy: Select Japanese specialty stationery retailers, lifestyle department store boutiques (Itoya, Loft, Hands), and certified SAKURA craft_lab online partners.