---
product_id: 591370334
title: "Aluminium Carpenter's Roofing & Woodworking Speed Square - 30cm Metric Rafter Triangle Ruler Protractor - Angle Measuring & Marking Tool for Carpentry, Construction & DIY Projects"
brand: "eidoct"
price: "R688"
currency: ZAR
in_stock: true
url: https://www.desertcart.co.za/products/591370334-aluminium-carpenters-roofing-and-woodworking-speed-square-30cm-metric-rafter
store_origin: ZA
region: South Africa
---

# 30cm precision length 0.05mm measurement accuracy Aluminium alloy durability Aluminium Carpenter's Roofing & Woodworking Speed Square - 30cm Metric Rafter Triangle Ruler Protractor - Angle Measuring & Marking Tool for Carpentry, Construction & DIY Projects

**Brand:** eidoct
**Price:** R688
**Availability:** ✅ In Stock

## Summary

> 📐 Elevate your craft with precision that stands the test of time!

## Quick Answers

- **What is this?** Aluminium Carpenter's Roofing & Woodworking Speed Square - 30cm Metric Rafter Triangle Ruler Protractor - Angle Measuring & Marking Tool for Carpentry, Construction & DIY Projects by eidoct
- **How much does it cost?** R688 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.co.za](https://www.desertcart.co.za/products/591370334-aluminium-carpenters-roofing-and-woodworking-speed-square-30cm-metric-rafter)

## Best For

- eidoct enthusiasts

## Why This Product

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

## Key Features

- • **Built to Last:** Crafted from high-quality aluminum alloy, resistant to rust, corrosion, and deformation—even after drops.
- • **Dual-Scale Versatility:** Metric and imperial markings with a handy conversion table on the back for seamless project transitions.
- • **Multi-Tool Functionality:** Functions as a protractor, miter guide, framing square, and ruler—your all-in-one carpentry companion.
- • **Precision at Every Angle:** Laser-etched scales ensure flawless 90° and 45° measurements for perfect cuts every time.
- • **Smooth & Comfortable Handling:** Exquisitely smooth base and coating provide effortless line drawing and marking without wear.

## Overview

This 30cm aluminium carpenter's speed square combines high-precision laser-etched scales with durable, rust-resistant aluminum alloy construction. Featuring both metric and imperial measurements plus a conversion table, it offers versatile, reliable angle measuring and marking for carpentry, construction, and DIY projects. Lightweight yet sturdy, it ensures smooth handling and multi-functional use as a protractor, miter guide, and framing square.

## Description

Aluminium Carpenter's Roofing & Woodworking Speed Square - 30cm Metric Rafter Triangle Ruler Protractor - Angle Measuring & Marking Tool for Carpentry, Construction & DIY Projects

## Features

- 【High Quality】The aluminum alloy triangular rule is made of high quality aluminium alloy with excellent workmanship, high hardness and resistance to rust and corrosion; durable, moderate toughness, no deformation and more durable when dropped. The coating is rich and even, flat and smooth, superior to other coating processes.
- 【Clear Scale】 Roofing square 12 inch made with clear and accurate printing scale and high precision; can draw straight and wavy lines, both accurate and not easily worn. Available in metric and imperial sizes, with laser marking technology, it can be used well for angle measurement, the ruler base is exquisitely smooth and comfortable to the touch.
- 【Horizontal Base】Highly accurate rafter square metric with one 90° angle and two 45° angles, right angle base, easy to fix, helps you to measure dimensions well; easy to draw lines and smooth to use. Conversion table on the back, common rafter conversion. Lightweight and sturdy, more convenient for your work.
- 【Widely Used】Black triangle ruler can be used to make precise right-angles & as a cutting & drawing guide, as a protractor, miter, line scriber saw guide, framing square and a ruler.
- 【Good Service】For any product problem, please feel free to contact us, we’ll try our best to help you.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Manufacturer | Eidoct |
| Part number | T-12 |
| Item Weight | 480 g |
| Product Dimensions | 30.48 x 30.48 x 0.1 cm; 480 g |
| Item model number | T-12 |
| Colour | Black |
| Style | Precision |
| Material | Aluminium |
| Measurement Accuracy | 0.05 |
| Included components | 1 |
| Batteries included? | No |
| Batteries Required? | No |

## Product Details

- **Material:** Aluminium
- **Brand:** Eidoct
- **Colour:** Black
- **Style:** Precision
- **UPC:** 796647244593

## Images

![Aluminium Carpenter's Roofing & Woodworking Speed Square - 30cm Metric Rafter Triangle Ruler Protractor - Angle Measuring & Marking Tool for Carpentry, Construction & DIY Projects - Image 1](https://m.media-amazon.com/images/I/71sLrWF6JtL.jpg)

## Available Options

This product comes in different **Colour Name** options.

## Frequently Bought Together

- Aluminium Carpenter's Roofing & Woodworking Speed Square - 30cm Metric Rafter Triangle Ruler Protractor - Angle Measuring & Marking Tool for Carpentry, Construction & DIY Projects
- Carpenter Measuring Square Metric Imperial 7 Inches,Aluminum Alloy,90 Degree Thickened Triangle Ruler for Woodworking (black)
- Tracer Deep Hole Construction Pencil Site Holster (120mm, Extendable 2B Construction Pencil with Inbuilt Sharpener)

---

## Why Shop on Desertcart?

- 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016
- 🌍 **Shop Globally** — Access 737+ million products across 21 categories
- 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price
- 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members)
- 🔒 **Secure Payments** — Trusted payment options with buyer protection
- ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews

**Shop now:** [https://www.desertcart.co.za/products/591370334-aluminium-carpenters-roofing-and-woodworking-speed-square-30cm-metric-rafter](https://www.desertcart.co.za/products/591370334-aluminium-carpenters-roofing-and-woodworking-speed-square-30cm-metric-rafter)

---

*Product available on Desertcart South Africa*
*Store origin: ZA*
*Last updated: 2026-03-14*