---
product_id: 148731480
title: "K&S Precision Metals Round Copper Telescopic Tubing Assortment 3404 – 7 Tubes, 1/16\" to 1/4\" OD, 12\" Length, 0.014\" Wall – DIY Projects, Made in USA"
brand: "k & s precision metals"
price: "€ 31.13"
currency: EUR
in_stock: true
reviews_count: 13
category: "K & S Precision Metals"
url: https://www.desertcart.it/products/148731480-k-and-s-precision-metals-round-copper-telescopic-tubing-assortment
store_origin: IT
region: Italy
---

# 7 precision tubes, 1/16" to 1/4" OD Adjustable telescoping design 0.014" thick durable copper walls K&S Precision Metals Round Copper Telescopic Tubing Assortment 3404 – 7 Tubes, 1/16" to 1/4" OD, 12" Length, 0.014" Wall – DIY Projects, Made in USA

**Brand:** k & s precision metals
**Price:** € 31.13
**Availability:** ✅ In Stock

## Summary

> 🔧 Elevate your craft with precision copper tubes that slide into endless possibilities!

## Quick Answers

- **What is this?** K&S Precision Metals Round Copper Telescopic Tubing Assortment 3404 – 7 Tubes, 1/16" to 1/4" OD, 12" Length, 0.014" Wall – DIY Projects, Made in USA by k & s precision metals
- **How much does it cost?** € 31.13 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.it](https://www.desertcart.it/products/148731480-k-and-s-precision-metals-round-copper-telescopic-tubing-assortment)

## Best For

- k & s precision metals enthusiasts

## Why This Product

- Trusted k & s precision metals brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Craft Your Vision:** Versatile lengths perfect for DIY, lighting, and custom décor projects
- • **Built to Last & Impress:** Robust 0.014" wall thickness ensures durability with a sleek copper finish
- • **Join the Maker Movement:** Trusted by pros for precision and style in every project
- • **Engineer Your Creativity:** Ideal for educational demos and complex engineering prototypes
- • **Precision in Every Slide:** 7 exact-fit copper tubes for flawless telescoping adjustments

## Overview

K & S Precision Metals Copper Telescopic Tubes offer a set of 7 round copper tubes ranging from 1/16" to 1/4" outer diameter, each 12" long with a 0.014" wall thickness. Designed for adjustable, telescoping configurations, these durable copper tubes are perfect for DIY projects, custom lighting, engineering prototypes, and educational uses, combining precision fit with stylish functionality.

## Description

"Our Materials, Your Creations" Most Common Uses: DIY Projects (Jewelry, Home Décor, Tinkering, ETC...), Model Making (Trains, Planes, R/C Cars, Etc...), Arts & Crafts, Home Improvement, Electrical, Woodworking, Engineering, Education, Puppetry/Stop-Motion Animation

Review: Well made - These aluminum tubes are well made and are just what I needed to fit into the little hole at the end of the spray nozzle for yellow jacket spray
Review: K&S engineering is exact - Accurate, perfect telescoping fit. Good quality brass metal.

## Features

- Complete Copper Telescopic Assortment: Includes 7 precision round tubes ranging from 1/16" to 1/4" OD, each 12" long with 0.014" wall thickness, crafted from alloy 122 copper.
- Adjustable & Versatile Design: Telescopic tubes slide into one another for variable lengths and custom configurations, ideal for DIY, craft, and engineering projects.
- DIY & Home Projects: Build custom furniture, curtain rods, shelving units, or other creative designs where adjustable copper tubing adds style and functionality.
- Custom Lighting & Decorative Applications: Use tubing to design unique lighting fixtures or decorative elements, adjusting length and configuration for the perfect fit.
- Educational & Engineering Uses: Excellent for science demonstrations, engineering projects, or structural studies, allowing exploration of telescoping mechanisms and material properties.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B07VPWSJRC |
| Batteries Included? | No |
| Batteries Required? | No |
| Best Sellers Rank | #18,557 in Industrial & Scientific ( See Top 100 in Industrial & Scientific ) #8 in Industrial Metal Tubing |
| Brand | K & S Precision Metals |
| Color | Copper |
| Customer Reviews | 4.7 4.7 out of 5 stars (1,470) |
| Date First Available | August 22, 2019 |
| Finish | Copper |
| Global Trade Identification Number | 00614121034044 |
| Included Components | 7 Copper Tube Assortment |
| Item Length | 12 Inches |
| Item Package Quantity | 1 |
| Item Weight | 3.2 ounces |
| Item model number | 3404 |
| Manufacturer | K & S Precision Metals |
| Material | Copper |
| Measurement System | inch |
| Nominal Wall Thickness | 0.014 inches |
| Outside Diameter | .5 Inches |
| Part Number | 3404 |
| Product Dimensions | 12"L x 5"W |
| Shape | Round |
| Size | No Size |
| Style | Copper Assortment |
| Thickness | 0.01 Inches |
| UPC | 614121034044 |
| Warranty Description | Warranty |

## Product Details

- **Brand:** K & S Precision Metals
- **Color:** Copper
- **Item Length:** 12 Inches
- **Item Weight:** 0.2 Pounds
- **Manufacturer:** K & S Precision Metals
- **Material:** Copper
- **Nominal Wall Thickness:** 0.014 inches
- **Outside Diameter:** .5 Inches
- **Product Dimensions:** 12"L x 5"W
- **UPC:** 614121034044

## Images

![K&S Precision Metals Round Copper Telescopic Tubing Assortment 3404 – 7 Tubes, 1/16" to 1/4" OD, 12" Length, 0.014" Wall – DIY Projects, Made in USA - Image 1](https://m.media-amazon.com/images/I/21GekPZpr-L.jpg)
![K&S Precision Metals Round Copper Telescopic Tubing Assortment 3404 – 7 Tubes, 1/16" to 1/4" OD, 12" Length, 0.014" Wall – DIY Projects, Made in USA - Image 2](https://m.media-amazon.com/images/I/21SwzhgOsSL.jpg)
![K&S Precision Metals Round Copper Telescopic Tubing Assortment 3404 – 7 Tubes, 1/16" to 1/4" OD, 12" Length, 0.014" Wall – DIY Projects, Made in USA - Image 3](https://m.media-amazon.com/images/I/31SzSSKqM+L.jpg)
![K&S Precision Metals Round Copper Telescopic Tubing Assortment 3404 – 7 Tubes, 1/16" to 1/4" OD, 12" Length, 0.014" Wall – DIY Projects, Made in USA - Image 4](https://m.media-amazon.com/images/I/31rzCBqCkmL.jpg)
![K&S Precision Metals Round Copper Telescopic Tubing Assortment 3404 – 7 Tubes, 1/16" to 1/4" OD, 12" Length, 0.014" Wall – DIY Projects, Made in USA - Image 5](https://m.media-amazon.com/images/I/51H-JIrpCJL.jpg)

## Customer Reviews

### ⭐⭐⭐⭐⭐ Well made
*by R***Y on September 27, 2025*

These aluminum tubes are well made and are just what I needed to fit into the little hole at the end of the spray nozzle for yellow jacket spray

### ⭐⭐⭐⭐⭐ K&S engineering is exact
*by L***N on July 27, 2025*

Accurate, perfect telescoping fit. Good quality brass metal.

### ⭐⭐⭐⭐⭐ Great for Candle making.
*by W***E on August 21, 2025*

The brass tubing works perfect. I use them in my candle making process. Placing the wicks was a pain before this. Great for the 8 inch candle glass you buy at the Dollar store. Well worth it.

## Frequently Bought Together

- K&S 3404 Round Copper Telescopic Tubing Assortment, 1/16, 3/32, 1/8, 5/32, 3/16, 7/32, 1/4 O. D. X 014" Wall Thickness X 12", 7 Pieces, Made in The USA
- K&S 3408 Metal Cut-Offs, Assortment of Brass, Copper, Aluminum, & Stainless Steel, Made in The USA
- K&S 3405 Round Brass Rod Assortment, 11 Pieces, Made in The USA

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*Product available on Desertcart Italy*
*Store origin: IT*
*Last updated: 2026-01-26*