---
product_id: 27562879
title: "GSC International RS-2-1 Rubber Stoppers, Size 2, Drilled 1-Hole (1-Pound Pack),Black"
brand: "gsc international"
price: "$26.84"
currency: USD
in_stock: true
url: https://www.desertcart.us/products/27562879-gsc-international-rs-2-1-rubber-stoppers-size-2-drilled
store_origin: US
region: United States of America
---

# Size #2 Classic black color 1-Hole design GSC International RS-2-1 Rubber Stoppers, Size 2, Drilled 1-Hole (1-Pound Pack),Black

**Brand:** gsc international
**Price:** $26.84
**Availability:** ✅ In Stock

## Summary

> 🔬 Seal the Deal with Style!

## Quick Answers

- **What is this?** GSC International RS-2-1 Rubber Stoppers, Size 2, Drilled 1-Hole (1-Pound Pack),Black by gsc international
- **How much does it cost?** $26.84 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.us](https://www.desertcart.us/products/27562879-gsc-international-rs-2-1-rubber-stoppers-size-2-drilled)

## Best For

- gsc international enthusiasts

## Why This Product

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

## Key Features

- • **Bulk Value:** 1-pound pack offers ample supply for all your needs.
- • **Perfect Fit:** Engineered for standard test tubes, ensuring a snug seal.
- • **Easy Handling:** Lightweight design makes them easy to store and transport.
- • **Versatile Use:** Ideal for laboratories, home experiments, and DIY projects.
- • **Durable Material:** Crafted from high-quality rubber for long-lasting use.

## Overview

The GSC International RS-2-1 Rubber Stoppers are essential lab accessories designed for standard test tubes. This 1-pound pack includes size #2 stoppers with a single drilled hole, perfect for various applications in scientific and DIY settings. Made from durable rubber, these stoppers ensure a reliable seal while adding a touch of classic black elegance to your workspace.

## Description

RS-2-1 Rubber Stoppers, Size 2, Drilled 1-Hole (1-Pound Pack),Black

## Features

- Rubber test-tube stopper
- Size #2
- One hole
- Black
- Includes 1 lb. of stoppers

## Images

![GSC International RS-2-1 Rubber Stoppers, Size 2, Drilled 1-Hole (1-Pound Pack),Black - Image 1](https://m.media-amazon.com/images/I/71dprQG-zEL.jpg)

## Questions & Answers

**Q: Where are these made?**
A: The country of origin is India.

**Q: How many individual stoppers in 1lb?**
A: There should be approximately around 49 stoppers in a pound.

**Q: What is the top and bottom diameter? Seller responded to this question but it conflicts with industry standard measurements for a #2  25/32" x 5/8"**
A: The top of the #2 rubber stopper is 20 mm and the bottom is 16 mm and the height of the rubber stopper is 25mm.  Thank you for your question.

**Q: What are the top and bottom diamaters?  How long is it?  What is the diamiter of the drilled hole?**
A: Top is 1/2 inch,  bottom is 3/8 inch, length is 11/16 inch...hole is 6 mm.  I hope this answers your questions.
Have a great day.  :)

---

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*Product available on Desertcart United States of America*
*Store origin: US*
*Last updated: 2026-06-05*