---
product_id: 284948704
title: "Dri Mark Dual Test 351UVCL - The Original Counterfeit Detection Marker Pen with UV LED Cap, Tests for Security Strips and Authentic Currency Paper - 1 UV Light/Pen Combo Plus 1 Holder with Coil"
brand: "dri mark"
price: "$57.73"
currency: USD
in_stock: true
reviews_count: 8
category: "Dri Mark"
url: https://www.desertcart.ec/products/284948704-dri-mark-dual-test-351uvcl-the-original-counterfeit-detection-marker
store_origin: EC
region: Ecuador
---

# UV LED cap for security strip check Compact 18g, easy retail carry 0.3mm precision ink tip Dri Mark Dual Test 351UVCL - The Original Counterfeit Detection Marker Pen with UV LED Cap, Tests for Security Strips and Authentic Currency Paper - 1 UV Light/Pen Combo Plus 1 Holder with Coil

**Brand:** dri mark
**Price:** $57.73
**Availability:** ✅ In Stock

## Summary

> 🕵️‍♂️ Spot fakes before they hit your register!

## Quick Answers

- **What is this?** Dri Mark Dual Test 351UVCL - The Original Counterfeit Detection Marker Pen with UV LED Cap, Tests for Security Strips and Authentic Currency Paper - 1 UV Light/Pen Combo Plus 1 Holder with Coil by dri mark
- **How much does it cost?** $57.73 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.ec](https://www.desertcart.ec/products/284948704-dri-mark-dual-test-351uvcl-the-original-counterfeit-detection-marker)

## Best For

- dri mark enthusiasts

## Why This Product

- Trusted dri mark brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Retail-Ready Design:** Lightweight and compact for seamless daily use at checkout
- • **Trusted & Top-Ranked:** Highly rated with 4.5 stars and #13 in counterfeit detectors
- • **Dual Verification Power:** UV LED cap tests security strips alongside ink mark validation
- • **Instant Authenticity Check:** Chemically reactive ink reveals counterfeit bills in seconds
- • **Universal Currency Compatibility:** Works flawlessly on all U.S. bills from 1959 onward

## Overview

The Dri Mark Dual Test 351UVCL is a professional-grade counterfeit detection pen featuring a precise 0.3mm chemically sensitive ink tip and an integrated UV LED cap to verify security strips. Designed for retail environments, it instantly differentiates genuine U.S. currency (1959 and later) from fakes by color change, ensuring fast, reliable cash handling with a lightweight, portable design.

## Description

The Dri Mark Counterfeit Detector Pen is your best first defense against loss due to counterfeit. An essential for any retail business accepting cash. Simply uncap the pen and make a small mark on US currency. If the mark turns dark brown or black, the currency is suspect. If the mark remains light yellow, the bill passes the test.

Review: Ok - Ok
Review: Great - Great

## Features

- Simply make a small mark on U.S. currency.
- Chemically sensitive ink works instantly.
- Amber mark passes the test, while a dark brown or black mark means the bill is suspect.
- Works on all new design U.S. currency (1959 and later).

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B00KKXQ3H6 |
| Best Sellers Rank | #24,362 in Office Products ( See Top 100 in Office Products ) #13 in Counterfeit Bill Detectors |
| Brand | Dri Mark |
| Closure | Snap |
| Color | Black |
| Customer Reviews | 4.5 4.5 out of 5 stars (614) |
| Date First Available | 15 September 2023 |
| Ink Color | Brown |
| Item Weight | 18 g |
| Line Size | 0.3mm |
| Manufacturer | Drimark Products, Inc. |
| Manufacturer Part Number | 351BCL |
| Material Type | Plastic |
| Model number | 351BCL |
| Number of Drawers | 2 |
| Number of Items | 1 |
| Product Dimensions | 19.05 x 6.35 x 2.03 cm; 18 g |
| Size | 1 Count (Pack of 1) |

## Product Details

- **Age range (description):** Adult
- **Brand:** Dri Mark
- **Colour:** Black
- **Ink colour:** Brown
- **Writing instrument form:** Multifunction Writing Instruments

## Images

![Dri Mark Dual Test 351UVCL - The Original Counterfeit Detection Marker Pen with UV LED Cap, Tests for Security Strips and Authentic Currency Paper - 1 UV Light/Pen Combo Plus 1 Holder with Coil - Image 1](https://m.media-amazon.com/images/I/51GV7W+GtnL.jpg)
![Dri Mark Dual Test 351UVCL - The Original Counterfeit Detection Marker Pen with UV LED Cap, Tests for Security Strips and Authentic Currency Paper - 1 UV Light/Pen Combo Plus 1 Holder with Coil - Image 2](https://m.media-amazon.com/images/I/51lsybXzveL.jpg)
![Dri Mark Dual Test 351UVCL - The Original Counterfeit Detection Marker Pen with UV LED Cap, Tests for Security Strips and Authentic Currency Paper - 1 UV Light/Pen Combo Plus 1 Holder with Coil - Image 3](https://m.media-amazon.com/images/I/616na12iVEL.jpg)
![Dri Mark Dual Test 351UVCL - The Original Counterfeit Detection Marker Pen with UV LED Cap, Tests for Security Strips and Authentic Currency Paper - 1 UV Light/Pen Combo Plus 1 Holder with Coil - Image 4](https://m.media-amazon.com/images/I/71lUOI2UDHL.jpg)
![Dri Mark Dual Test 351UVCL - The Original Counterfeit Detection Marker Pen with UV LED Cap, Tests for Security Strips and Authentic Currency Paper - 1 UV Light/Pen Combo Plus 1 Holder with Coil - Image 5](https://m.media-amazon.com/images/I/81N32OkBHuL.jpg)

## Available Options

This product comes in different **Size, Style** options.

## Customer Reviews

### ⭐⭐⭐⭐⭐ Ok
*by M***D on 21 December 2022*

Ok

### ⭐⭐⭐⭐⭐ Great
*by J***S on 9 August 2024*

Great

### ⭐⭐⭐⭐⭐ Perfect
*by U***W on 10 January 2024*

👍🏻👍🏻

## Frequently Bought Together

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- HVM Counterfeit Money Detector Pen (5 Counterfeit Pens) - Money Marker Bill Detector Pen with Upgraded Chisel Tip - Detect Fake Bills, Universal False Currency Checker Pack

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**Shop now:** [https://www.desertcart.ec/products/284948704-dri-mark-dual-test-351uvcl-the-original-counterfeit-detection-marker](https://www.desertcart.ec/products/284948704-dri-mark-dual-test-351uvcl-the-original-counterfeit-detection-marker)

---

*Product available on Desertcart Ecuador*
*Store origin: EC*
*Last updated: 2026-02-22*