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KACO 0.5mm Black Retractable Gel Pen Student Exam Writing Carbon Ballpoint Pen Single Pack

KACO•Ballpoint Pen

KACO 0.5mm Black Retractable Gel Pen Student Exam Writing Carbon Ballpoint Pen Single Pack

CN¥4.70

SKU: 100257265112

Status:In Stock (4)

ID: 100257265112

Weight: 14.00 g

Dims:147x12x10 mm

Specifications

Type: Standard Ballpoint Pen
Suitable Scenarios: Tailored for Tests, Homework Correction, Signature, Everyday Stationary, Planner Accessories, Calligraphy practice
Pen tip characteristics: ST head
Refill color: Black
Characteristics: Quick dry
Product Features: Regular packaging
Closing Method: Press
Quantity

Variants / Sale Attributes

Color: Shadow Black 0.5 Black Single Piece

Package Contents

single barcode

Product Description

Overview

Brand: KACO
Product Name: K1 Tree-Inspired Gel Ink Pen
Material: Plastic body with soft gel ink

Inspired by the natural curves of tree branches and the growth rings of tree trunks.

Emphasizes a connection between nature and writing, reflecting the rhythm and breath of the forest.

Features a tree-branch shaped retractable mechanism and a metal clip with hidden functionality.

Soft rubber grip designed with tree ring patterns for comfortable, anti-slip writing experience.

Uses KEFILL innovative self-developed 0.5mm dual-ball ST pen refill.

Dual-ball technology ensures smooth, silky ink flow with minimal skipping.

ST fine tip provides elastic and precise writing feel.

Quick-drying ink keeps paper clean and smudge-free.

Supports writing at a lower angle (~48°) compared to typical single-ball pens (~60°), enhancing writing comfort and smoothness.

Additional details

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Single pack

Pen barrel material

Plastic

Customizable or not

No

Stroke thickness

0.5mm

Ink color: Deep black, suitable for clear computer recognition and important exams.

Twilight Pink ()

Moss Green ()

Soft Dawn Pink ()

Forest Moss ()

Snow White ()

Smoke Gray ()

Sea Mist Blue ()

Shadow Black ()

Ideal for daily office use, note-taking, and inspiration recording.

Suitable for important occasions including exams due to clear, computer-readable ink.

Reliable for both Chinese and English writing.

Available in packs of 10 pens.

Retractable pen tip with one-press mechanism reflecting natural rhythm.

Ergonomic design encourages focused and pure writing experience.

Quick-dry ink tested under standardized conditions (GB/T12654) with 3-second drying time and no smudging after 1 minute under pressure.

The KACO K1 gel ink pen combines natural inspiration with advanced writing technology to deliver a smooth, comfortable, and reliable writing experience. Its unique tree-inspired design and innovative dual-ball refill make it a perfect choice for users seeking both aesthetics and performance.

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