---
product_id: 563505303
title: "31733 Insulation Knife, Cuts Foam and Fiberglass with Serrated Stainless Steel Folding Blade and Lockback Mechanism"
brand: "klein tools"
price: "289.80 DT"
currency: TND
in_stock: true
url: https://www.desertcart.tn/products/563505303-31733-insulation-knife-cuts-foam-and-fiberglass-with-serrated-stainless
store_origin: TN
region: Tunisia
---

# Secure lockback mechanism 3CR13 serrated stainless steel blade Folded blade protects tool pouches 31733 Insulation Knife, Cuts Foam and Fiberglass with Serrated Stainless Steel Folding Blade and Lockback Mechanism

**Brand:** klein tools
**Price:** 289.80 DT
**Availability:** ✅ In Stock

## Summary

> 🔧 Cut with confidence, fold with ease — the pro’s choice for insulation mastery!

## Quick Answers

- **What is this?** 31733 Insulation Knife, Cuts Foam and Fiberglass with Serrated Stainless Steel Folding Blade and Lockback Mechanism by klein tools
- **How much does it cost?** 289.80 DT with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.tn](https://www.desertcart.tn/products/563505303-31733-insulation-knife-cuts-foam-and-fiberglass-with-serrated-stainless)

## Best For

- klein tools enthusiasts

## Why This Product

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

## Key Features

- • **Tether Ready:** Integrated lanyard hole keeps your knife secure and within reach on any job site.
- • **Lockback Safety:** Blade locks firmly in place for stable, heavy-duty cutting without slip risks.
- • **Compact & Protective:** Folds neatly to shield your tools and pockets from accidental cuts and damage.
- • **Ergonomic Non-Slip Grip:** Comfortable fiberglass handle ensures maximum control even with gloves on.
- • **Precision Serrated Blade:** Effortlessly slices through foam and fiberglass insulation with surgical accuracy.

## Overview

The Klein Tools 31733 Insulation Knife features a durable 3CR13 serrated stainless steel blade designed for precision cutting of foam and fiberglass insulation. Its lockback mechanism ensures the blade stays securely open during heavy-duty use, while the folding design protects both the blade and your gear. With an ergonomic non-slip fiberglass handle and integrated lanyard hole, this compact, lightweight tool is engineered for professional reliability and convenience on every job.

## Description

Klein Tools 31733 Insulation Knife, Cuts Foam and Fiberglass with Serrated Stainless Steel Folding Blade and Lockback Mechanism

## Features

- SERRATED PRECISION BLADE: Effortlessly cut through foam and fiberglass insulation
- 3CR13 STAINLESS STEEL BLADE: Built for heavy-duty insulation tasks
- LOCKBACK MECHANISM: Secures blade open for sturdy cutting
- ENHANCED PROTECTION: Folded blade safeguards tool pouches, bags, and pockets
- HEAVY DUTY DESIGN: Cuts as easily as fixed blade insulation knives
- NON-SLIP GRIP HANDLE: Ensures comfortable handling
- VERSATILE CONVENIENCE: Integrated lanyard hole for easy tethering

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Material | Blend |
| Brand | KLEIN TOOLS |
| Color | Multi |
| Item Length | 11.9 Inches |
| Handle Material | Fiberglass |
| Blade Material | Stainless Steel |
| Item Weight | 0.54 Pounds |
| Style | Folding Utility Knife |
| Manufacturer | Klein Tools |
| UPC | 092644317330 |
| Global Trade Identification Number | 00092644317330 |
| Part Number | 31733 |
| Item Weight | 8.6 ounces |
| Item model number | 31733 |
| Is Discontinued By Manufacturer | No |
| Size | One Size |
| Finish | Brushed |
| Pattern | Solid |
| Shape | Rectangular |
| Power Source | hand_powered |
| Item Package Quantity | 1 |
| Special Features | Folding |
| Included Components | Klein Tools 31733 Insulation Knife |
| Batteries Required? | No |
| Warranty Description | Please refer to attached warranty document. |

## Product Details

- **Material:** Blend
- **Brand:** KLEIN TOOLS
- **Color:** Multi
- **Item Length:** 11.9 Inches
- **Handle Material:** Fiberglass
- **Blade Material:** Stainless Steel
- **Item Weight:** 0.54 Pounds
- **Style:** Folding Utility Knife
- **Manufacturer:** Klein Tools
- **UPC:** 092644317330

## Images

![31733 Insulation Knife, Cuts Foam and Fiberglass with Serrated Stainless Steel Folding Blade and Lockback Mechanism - Image 1](https://m.media-amazon.com/images/I/41GubV8EgyL.jpg)

## Frequently Bought Together

- Klein Tools 31733 Insulation Knife, Cuts Foam and Fiberglass with Serrated Stainless Steel Folding Blade and Lockback Mechanism
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*Product available on Desertcart Tunisia*
*Store origin: TN*
*Last updated: 2026-11-01*