---
product_id: 524413773
title: "Irwin STRAIT-LINE Chalk Line, Speedline Pro Reel, Blue, 100 ft. (IWHT48443BC)"
brand: "irwin"
price: "S$24"
currency: SGD
in_stock: true
url: https://www.desertcart.sg/products/524413773-irwin-strait-line-chalk-line-speedline-pro-reel-blue-100
store_origin: SG
region: Singapore
---

# 100 ft hi-tensile line resists breakage 6:1 planetary gear for smooth retraction Robust steel handle & durable ABS housing Irwin STRAIT-LINE Chalk Line, Speedline Pro Reel, Blue, 100 ft. (IWHT48443BC)

**Brand:** irwin
**Price:** S$24
**Availability:** ✅ In Stock

## Summary

> 📐 Snap the line, own the jobsite—precision that keeps you ahead.

## Quick Answers

- **What is this?** Irwin STRAIT-LINE Chalk Line, Speedline Pro Reel, Blue, 100 ft. (IWHT48443BC) by irwin
- **How much does it cost?** S$24 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.sg](https://www.desertcart.sg/products/524413773-irwin-strait-line-chalk-line-speedline-pro-reel-blue-100)

## Best For

- irwin enthusiasts

## Why This Product

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

## Key Features

- • **Stay On Point:** Wide-prong hook anchors securely for stable, accurate snapping on any jobsite surface.
- • **Effortless Speed:** 6:1 planetary gear ratio ensures lightning-fast, smooth line retraction—cut your setup time in half.
- • **Refill Like a Pro:** Large 1/4 turn locking top with enhanced visibility makes chalk refills quick and mess-free—never miss a beat.
- • **Comfort Meets Control:** Ergonomic overmold grip and fishing reel-style knob reduce strain during extended use—work smarter, not harder.
- • **Unbreakable Precision:** 100 ft high-tensile line stands tough against abrasive surfaces for flawless layouts every time.

## Overview

The Irwin STRAIT-LINE Speedline Pro Reel features a durable 100 ft hi-tensile chalk line housed in rugged ABS with a steel handle, designed for professional-grade accuracy and longevity. Its 6:1 planetary gear system enables smooth, fast line retraction, while ergonomic grips and a secure wide-prong hook ensure comfort and stability on any project. Quick chalk refills and innovative spool design reduce downtime and line wear, making it the ultimate tool for millennial managers who demand efficiency and reliability.

## Description

Irwin STRAIT-LINE Chalk Line, Speedline Pro Reel, Blue, 100 ft. (IWHT48443BC)

## Features

- STURDY HI-TENSILE LINE: 100 ft. line resists breakage when in contact with abrasive surfaces
- SECURE ANCHORING with wide-prong hook
- FAST CHALK REFILLS: Large 1/4 turn locking top provides increased visibility during refills
- HIGH-COMFORT DESIGN: Overmold grip and convenient fishing reel-style knob promote low-strain use
- DURABLE CONSTRUCTION: Lightweight yet sturdy ABS housing withstands jobsite wear and tear.QUICK LINE RETRACTION: 6:1 planetary gear ratio enables smooth line retraction when pushing in the clutch hub.REDUCED LINE DAMAGE: Innovative spool design helps preserve line and aerate chalk.ENHANCED STRENGTH AND TORQUE: Robust steel handle and large center hub add durability

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Manufacturer | IRWIN |
| Brand | IRWIN |
| Model number | IWHT48443BC |
| Product Dimensions | 10.92 x 5.84 x 17.27 cm; 303.91 g |
| Color | Blue |
| Grip Type | Contoured |
| Material Type | Plastic |
| Number of Items | 1 |
| Size | 1 Count (Pack of 1) |
| Point Type | Broad |
| Line Size | 2mm and above |
| Ink Color | Blue |
| Manufacturer Part Number | IWHT48443BC |
| Item Weight | 304 g |

## Product Details

- **Brand:** IRWIN
- **Writing instrument form:** Chalk
- **Colour:** Blue
- **Ink colour:** Blue
- **Age range (description):** Adult

## Images

![Irwin STRAIT-LINE Chalk Line, Speedline Pro Reel, Blue, 100 ft. (IWHT48443BC) - Image 1](https://m.media-amazon.com/images/I/81u+eM93DnL.jpg)

## Available Options

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

## Frequently Bought Together

- IRWIN Tools STRAIT-LINE Chalk Line, Speedline Pro Reel, Blue, 100 ft. (IWHT48443BC)
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**Shop now:** [https://www.desertcart.sg/products/524413773-irwin-strait-line-chalk-line-speedline-pro-reel-blue-100](https://www.desertcart.sg/products/524413773-irwin-strait-line-chalk-line-speedline-pro-reel-blue-100)

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*Product available on Desertcart Singapore*
*Store origin: SG*
*Last updated: 2026-01-26*