---
product_id: 53267533
title: "Plasticoid J7--M292 Black Rubber Two-Hole Stopper, 37mm Top Diameter, 30mm Bottom Diameter, 7 Size, 25mm Length"
brand: "plasticoid"
price: "381 Lei"
currency: RON
in_stock: true
url: https://www.desertcart.ro/products/53267533-plasticoid-j7-m292-black-rubber-two-hole-stopper-37mm-top
store_origin: RO
region: Romania
---

# 37mm top diameter Two pre-drilled holes 17 stoppers per pound Plasticoid J7--M292 Black Rubber Two-Hole Stopper, 37mm Top Diameter, 30mm Bottom Diameter, 7 Size, 25mm Length

**Brand:** plasticoid
**Price:** 381 Lei
**Availability:** ✅ In Stock

## Summary

> 🔧 Stopper Up! Elevate your projects with precision and style.

## Quick Answers

- **What is this?** Plasticoid J7--M292 Black Rubber Two-Hole Stopper, 37mm Top Diameter, 30mm Bottom Diameter, 7 Size, 25mm Length by plasticoid
- **How much does it cost?** 381 Lei with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.ro](https://www.desertcart.ro/products/53267533-plasticoid-j7-m292-black-rubber-two-hole-stopper-37mm-top)

## Best For

- plasticoid enthusiasts

## Why This Product

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

## Key Features

- • **Size Matters:** With a 37mm top diameter and 30mm bottom diameter, it fits snugly in various openings.
- • **Versatile Design:** Perfect for a variety of applications, from laboratory use to DIY projects.
- • **Compact & Lightweight:** Weighing in at approximately 17 per pound, these stoppers are easy to handle.
- • **Precision Engineering:** Crafted to meet NBS specifications for reliability and performance.
- • **Effortless Installation:** Two pre-drilled holes make setup a breeze—no extra tools required!

## Overview

The Plasticoid J7--M292 Black Rubber Two-Hole Stopper is a versatile and reliable solution for various applications, featuring a 37mm top diameter, 30mm bottom diameter, and two pre-drilled holes for easy installation. Weighing approximately 17 stoppers per pound, it meets NBS specifications, making it an essential tool for both professionals and DIY enthusiasts.

## Description

Black rubber stoppers. Two pre-drilled holes, regular length. For all general laboratory and other uses. Dimensions in accordance with NBS specifications. Size: 7. Top Dia.: 37mm. Bottom Dia.: 30mm. Length: 25mm. Diameter of each hole: 5mm. Qty/Lb: Approximately 17. Plasticoid.

## Features

- Black rubber stopper with two pre-drilled 5mm holes
- Size 7
- Approximately 17 per pound
- For general use
- In accordance with NBS specifications

## Images

![Plasticoid J7--M292 Black Rubber Two-Hole Stopper, 37mm Top Diameter, 30mm Bottom Diameter, 7 Size, 25mm Length - Image 1](https://m.media-amazon.com/images/I/41u+B0XkRxL.jpg)

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**Shop now:** [https://www.desertcart.ro/products/53267533-plasticoid-j7-m292-black-rubber-two-hole-stopper-37mm-top](https://www.desertcart.ro/products/53267533-plasticoid-j7-m292-black-rubber-two-hole-stopper-37mm-top)

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*Product available on Desertcart Romania*
*Store origin: RO*
*Last updated: 2026-03-14*