What is the diameter of these eraser refills?

Dont recall the exact dimensions and I already threw away the package literally 2 days ago, but they are very small diameter. For comparison, they are smaller than Pentel Twist-Erase III but slightly bigger than the Pentel with the removable metal grip, like the Pentel Orenz (which I believe is the smallest diameter)

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トンボ鉛筆詰替え用消しゴムモノグラフ用 ER-MG 白

Product ID: 731521335

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Details

Brand
トンボ(Tombow)
Color
Eraser: White
Material
Rubber
Product Dimensions
7.6L x 2.5W cm
Recommended Uses For Product
Pencils

📏Compact 7.62 x 0.25 x 2.54 cm size

♻️Eco-friendly durable rubber

✏️Precision fit for Monograph pencil

Description

✏️ Erase mistakes, not style — upgrade your Monograph game!

TRIPLE PACK VALUE - Includes 3 replacement erasers to keep your workflow uninterrupted.
ULTRA COMPACT DESIGN - Slim and lightweight at just 9 grams, perfect for on-the-go professionals.
SEAMLESS COMPATIBILITY - Designed exclusively for the Monograph mechanical pencil for flawless erasing.
CLEAN PRECISE ERASING - High-quality rubber ensures smudge-free, sharp corrections every time.
SLEEK MINIMALIST AESTHETIC - Pure white finish complements your modern office essentials.

The Tombow ER-MG is a set of three replacement erasers specifically engineered for the Monograph mechanical pencil. Measuring a compact 7.62 x 0.25 x 2.54 cm and weighing just 9 grams, these durable rubber erasers deliver clean, precise corrections without smudging. Perfect for professionals who demand efficiency and style in their everyday office tools.

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Model Number	ER-MG
Number of Pieces	3
Batteries Required?	No
Batteries Included	No
Material Type(s)	Rubber
Target Gender	Unisex
Warranty Description	No
Release date	January 1, 2010
Item model number	ER-MG
Product Dimensions	7.62 x 0.25 x 2.54 cm; 9.07 g
ASIN	B00JFT6HSG