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AIHAO [Back to School Essential] Four-Color Neutral Pen, Multi-Color All-In for Students And Teachers' Note-Taking, Specialized Retractable Pen, "Four-Color Scholar Pen" White 2 Pieces

AIHAO•Ballpoint Pen

AIHAO [Back to School Essential] Four-Color Neutral Pen, Multi-Color All-In for Students And Teachers' Note-Taking, Specialized Retractable Pen, "Four-Color Scholar Pen" White 2 Pieces

CN¥8.80

SKU: 100022886188

Status:In Stock (187)

ID: 100022886186

Weight: 26.00 g

Dims:130x55x13 mm

Specifications

Closing Method: Press
Type: Multi-color pen
Pen tip characteristics: Bullet head
Refill color: Multicolor
Suitable Scenarios: Signature, Everyday Stationary, Business, Planner Accessories
Product Features: Regular packaging
Characteristics: Waterproof
Stroke thickness: 0.5mm

Variants / Sale Attributes

Color: White, 2 pieces

Package Contents

2-pack

Product Description

Overview

Brand: AIHAO
Product Name: MARKKEYPOINTS 4-in-1 Neutral Pen

Features

Multi-core usage
Non-slip pen grip
Easy core switching
Ideal for marking key points

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Quantity

2-6 pcs

Four colors available for easy switching

Suitable for both left and right brain memory

Color Psychology

Black: Used for normal tasks
Red: Ideal for marking mistakes and corrections (increases alertness)
Blue: Used for recording unmastered content and knowledge points (calming effect)
Green: Used for recording problems and solutions (boosts positive emotions)

Additional details

Tip Size: 0.5 mm for black, blue, red, and green
Refill Replacement: Easy and eco-friendly
Comfortable Grip: Anti-slip design for pleasant writing experience
Smooth Core Switching: Quick and responsive for convenient daily use
Transparent Pen Clip: Easy to carry in books or pockets

Product Parameter

Brand: AIHAO
Model: GP2470
Length Calculation: (n-2) x 180°
S Sector: S = nπR²/360 = LR/2
Internal and external tangent lines
Distance between two circles: D = 7R + r (R + Y)
Intersection of two circles: d = R + r (R - r)
Inner tangent: R - r ≤ d ≤ R + r
Diameter: 45mm
Inner circle: 18mm
Pen Name: GP2470 Study Pen
Shell: Transparent, white
Refill Colors: Black, red, blue, green
Pen Size: 145mm x 18mm

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