

Tombow Mono Knock Click Eraser
In modern working environments within offices, enterprises, and manufacturing plants, equipping high-quality stationery items helps optimize work performance. The Tombow Mono Knock click eraser is a smart pencil-erasing product that brings convenience and cleanliness to users when editing documents, drawings, or record books.
Outstanding Features of the Tombow Mono Knock Eraser
Convenient Pen-Style Push Mechanism
The product is designed in the shape of a writing pen featuring a transparent body in vibrant colors such as blue, green, and pink. The push-and-release mechanism at the end of the pen allows users to easily extend the eraser refill flexibly, keeping the eraser clean and protected from dirt when stored in a pencil case or tool bag.
Precise Eraser Refill Dimensions
The Tombow Mono Knock eraser features a round eraser refill with a diameter of 3.8 mm, allowing users to effortlessly erase small details, characters, or pencil drawing strokes on paper without affecting surrounding text areas.
Safe Material for Effective Erasure
The eraser refill is made from high-grade material with excellent lead adhesion, erasing cleanly and gently without tearing or wearing down the paper surface. The erasing process produces neat, easily sweepable debris strips, keeping the workspace tidy and professional.
Cost Optimization via Replaceable Refills
For businesses and offices, minimizing supply costs is always a priority. The Tombow Mono Knock supports a handy replacement refill option (item code ER-AE). When depleted, users simply replace the refill inside the old pen body, helping reduce plastic waste and save procurement budgets.
Detailed Product Information Table
The technical specifications and order codes for corporate customers purchasing supplies are outlined below:
Product Code | Size | Color | Order Code | Unit |
|---|---|---|---|---|
EH-KE 40 | Diameter 3.8 mm | Blue | 014385 | Piece |
EH-KE 60 | Diameter 3.8 mm | Green | 014386 | Piece |
EH-KE 80 | Diameter 3.8 mm | Pink | 014387 | Piece |
ER-AE (Replacement Refill) | Diameter 3.8 x 100 mm | White | 014388 | Pack / 4 pieces |
Applications in Corporate Environments
Office & Administration: Supports accounting and administrative staff in quickly revising numbers, documents, or handwritten drafts.
Design & Engineering Departments: Suitable for sketching drawings and editing small details that require high precision.
Factories & Production Workshops: Helps engineers and workers record, mark, or adjust information neatly in factory operation logs.
Frequently Asked Questions
1. Can the Tombow Mono Knock eraser be refilled when used up?
Yes. The product is designed for easy refilling using replacement refill code ER-AE (packaged in sets of 4 pieces), helping businesses save costs on buying new pen casings.
2. What is the size of the eraser refill?
The main eraser refill has a diameter of 3.8 mm, making it ideal for erasing small details, narrow characters, or standard handwritten strokes.
3. What casing colors are available for selection?
The pen casing comes in vibrant color options including blue, green, and pink, adding a lively touch to the workspace.




















