---
product_id: 231559090
title: "Outside Corner Knife, 4\"x3.5\" - LEVEL5 | Pro-Grade | Metal Hammer End | Drywall Gyprock Plasterboard Sheetrock | 5-320"
brand: "level5"
price: "¥12165"
currency: JPY
in_stock: true
url: https://www.desertcart.jp/products/231559090-outside-corner-knife-4x3-5-level5-pro-grade-metal-hammer
store_origin: JP
region: Japan
---

# Ergonomic heavy-duty rubber handle High-impact metal hammer end 4x3.5" flexible stainless steel blade Outside Corner Knife, 4"x3.5" - LEVEL5 | Pro-Grade | Metal Hammer End | Drywall Gyprock Plasterboard Sheetrock | 5-320

**Brand:** level5
**Price:** ¥12165
**Availability:** ✅ In Stock

## Summary

> 🔧 Level up your drywall game with pro-grade precision and comfort!

## Quick Answers

- **What is this?** Outside Corner Knife, 4"x3.5" - LEVEL5 | Pro-Grade | Metal Hammer End | Drywall Gyprock Plasterboard Sheetrock | 5-320 by level5
- **How much does it cost?** ¥12165 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.jp](https://www.desertcart.jp/products/231559090-outside-corner-knife-4x3-5-level5-pro-grade-metal-hammer)

## Best For

- level5 enthusiasts

## Why This Product

- Trusted level5 brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Built for the Pros:** Crafted with 20 years of professional finisher insights for unmatched durability and reliability.
- • **Ergonomic Endurance:** Heavy-duty rubber handle designed to reduce fatigue during long, demanding projects.
- • **Hammer-Ready Impact:** Integrated metal hammer end adds versatile functionality for on-the-spot adjustments.
- • **Precision Perfected:** Flexible stainless steel blade ensures ultra-smooth outside corner finishes every time.
- • **Guaranteed Satisfaction:** Backed by industry-leading warranties and a no-hassle return policy for total peace of mind.

## Overview

The LEVEL5 Outside Corner Knife (4"x3.5") is a premium drywall finishing tool featuring a flexible stainless steel blade for smooth corner work, an ergonomic rubber handle to minimize hand fatigue, and a durable metal hammer end for added versatility. Designed with nearly two decades of professional input, it delivers reliable, daily job site performance backed by industry-leading warranties.

## Description

LEVEL5 drywall tools are premium grade, perfected for both the professional and for home improvement DIY projects. This Corner Knife is designed and built using nearly 20 years of input from professional finishers. KEY PRODUCT FEATURES - High-quality, flexible stainless steel provides a smooth finish on outside corners - High-impact metal hammer end - Heavy duty, ergonomic rubber handle reduces fatigue Buy this LEVEL5 Corner Knife and compare for yourself.We back all of our tools with the best warranties in the industry and they are guaranteed to exceed your expectations. If for ANY reason you don’t agree, returns through  are easy.PRODUCT WARNING LEVEL5 blades are sharp. Please store your LEVEL5 putty knives out of reach of children! ABOUT LEVEL5 TOOLS A proud, family-run company based in Kansas City, LEVEL5 Tools has been perfecting its line of drywall tools since 2001. At LEVEL5 Tools, we do business the old-fashioned way: zero compromises in quality, fair prices, industry-leading warranties, and the relentless pursuit for 100% customer satisfaction. Our extended family includes thousands of professional finishers throughout North America and abroad. Their livelihoods depend on the quality, performance and reliability of our drywall products. Through their valued feedback and a culture of ongoing research and innovation, we make tools that make their lives on the job easier, more efficient and ultimately more profitable.

## Features

- PREMIUM MATERIALS | Made with flexible stainless steel that will adjust to provide smooth finish on inside corners
- ERGONOMIC | Heavy duty ergonomic rubber handle helps reduce fatigue when spreading spackle and paint compound
- BUILT TO LAST | Our tools are built for reliable, daily use on the job site. Designed and built using nearly 20 years of input from professional finishers
- GUARANTEED PERFORMANCE | Our finishing tools are developed by professionals for professionals and guaranteed to exceed your expectations.
- MADE TO LAST | Our tools are built for reliable, daily use on the job site.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Manufacturer | Level 5 Tools |
| Part Number | 5-320 |
| Product Dimensions | 10.16 x 10.21 x 0.1 cm; 185 g |
| Item model number | 5-320 |
| Size | 4x3.5" Outside |
| Colour | Red |
| Style | 4x3.5" Outside |
| Finish | Stainless |
| Material | Stainless Steel |
| Shape | Drywall |
| Power Source | hand-powered |
| Item Package Quantity | 1 |
| Handle material | Rubber |
| Special Features | Impact Resistance |
| Batteries included? | No |
| Batteries Required? | No |
| Item Weight | 185 g |

## Product Details

- **Material:** Stainless Steel
- **Brand:** Level5
- **Handle material:** Rubber
- **Recommended uses for product:** Drywall finishing, corner application
- **Product dimensions:** 10.2L x 10.2W centimetres

## Images

![Outside Corner Knife, 4"x3.5" - LEVEL5 | Pro-Grade | Metal Hammer End | Drywall Gyprock Plasterboard Sheetrock | 5-320 - Image 1](https://m.media-amazon.com/images/I/71rPuPyffXL.jpg)
![Outside Corner Knife, 4"x3.5" - LEVEL5 | Pro-Grade | Metal Hammer End | Drywall Gyprock Plasterboard Sheetrock | 5-320 - Image 2](https://m.media-amazon.com/images/I/61rKy6CFYZL.jpg)
![Outside Corner Knife, 4"x3.5" - LEVEL5 | Pro-Grade | Metal Hammer End | Drywall Gyprock Plasterboard Sheetrock | 5-320 - Image 3](https://m.media-amazon.com/images/I/61QaIQkmICL.jpg)
![Outside Corner Knife, 4"x3.5" - LEVEL5 | Pro-Grade | Metal Hammer End | Drywall Gyprock Plasterboard Sheetrock | 5-320 - Image 4](https://m.media-amazon.com/images/I/61mTXwi8bIL.jpg)

## Frequently Bought Together

- Outside Corner Knife, 4"x3.5" - LEVEL5 | Pro-Grade | Metal Hammer End | Drywall Gyprock Plasterboard Sheetrock | 5-320
- Inside Corner Knife, 4"x3.5" - LEVEL5 | Pro-Grade | Metal Hammer End | Drywall Gyprock Plasterboard Sheetrock | 5-310
- Stainless Steel Bucket Scoop - LEVEL5 | 5-210

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**Shop now:** [https://www.desertcart.jp/products/231559090-outside-corner-knife-4x3-5-level5-pro-grade-metal-hammer](https://www.desertcart.jp/products/231559090-outside-corner-knife-4x3-5-level5-pro-grade-metal-hammer)

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*Product available on Desertcart Japan*
*Store origin: JP*
*Last updated: 2026-02-16*