---
product_id: 352339062
title: "GEARWRENCH Adjustable Hook Black Oxide Spanner Wrench, 2\" to 4-3/4\" - 81856"
brand: "gearwrench"
price: "S$105"
currency: SGD
in_stock: true
url: https://www.desertcart.sg/products/352339062-gearwrench-adjustable-hook-black-oxide-spanner-wrench-2-to-4
store_origin: SG
region: Singapore
---

# Adjustable span 2"-4.75" Corrosion-resistant finish Durable alloy steel GEARWRENCH Adjustable Hook Black Oxide Spanner Wrench, 2" to 4-3/4" - 81856

**Brand:** gearwrench
**Price:** S$105
**Availability:** ✅ In Stock

## Summary

> 🔩 Unlock Your Potential with Precision!

## Quick Answers

- **What is this?** GEARWRENCH Adjustable Hook Black Oxide Spanner Wrench, 2" to 4-3/4" - 81856 by gearwrench
- **How much does it cost?** S$105 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/352339062-gearwrench-adjustable-hook-black-oxide-spanner-wrench-2-to-4)

## Best For

- gearwrench enthusiasts

## Why This Product

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

## Key Features

- • **Built to Last:** Crafted from high-strength alloy steel, this wrench is designed for durability and longevity.
- • **Versatile Fit:** Easily adapts to various collar sizes, ensuring you have the right tool for any job.
- • **Sleek Protection:** The black oxide finish not only looks sharp but also provides superior corrosion resistance.
- • **Professional Grade:** Meets or exceeds US Federal specifications, making it a reliable choice for professionals.
- • **Quick Identification:** Hard stamped size markings on the handle make it easy to grab the right size in a hurry.

## Overview

The GEARWRENCH Adjustable Hook Black Oxide Spanner Wrench (Model 81856) is a professional-grade tool designed for versatility and durability. With an adjustable span of 2" to 4-3/4", it fits a wide range of collar sizes. Made from high-strength alloy steel and featuring a corrosion-resistant black oxide finish, this wrench is built to withstand the rigors of professional use. Its hard stamped size markings ensure quick identification, making it an essential addition to any toolbox.

## Description

GEARWRENCH Adjustable Hook Black Oxide Spanner Wrench, 2" to 4-3/4" - 81856

## Features

- Adjustable span allows wrenches to fit a range of collar sizes
- Forged from durably strong alloy steel
- Black oxide finish for improved corrosion resistance
- Hard stamped size markings on the handle for quick identification
- Meets or exceeds US Federal specification ggg-w-665c

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Manufacturer | Apex Tool Group |
| Part number | 81856 |
| Item Weight | 463 g |
| Product Dimensions | 2.54 x 2.54 x 2.54 cm; 462.66 g |
| Item model number | 81856 |
| Size | 2" to 4-3/4" |
| Color | Multi |
| Finish | Black Oxide |
| Material | Blend |
| Item Package Quantity | 1 |
| Head Style | C Shaped |
| Measurement System | inch |
| Specific uses | Professional |
| Included components | (1) Adjustable Hook Spanner Wrench |
| Batteries Included? | No |
| Batteries Required? | No |

## Product Details

- **Colour:** Multi
- **Brand:** GEARWRENCH
- **Material:** Blend
- **Item length:** 10.87 Inches
- **Item weight:** 1.02 Pounds

## Images

![GEARWRENCH Adjustable Hook Black Oxide Spanner Wrench, 2" to 4-3/4" - 81856 - Image 1](https://m.media-amazon.com/images/I/31Q1yy4T6wL.jpg)

## Available Options

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

## Questions & Answers

**Q: what size is the pin?**
A: Either 1/8 or 3/16

**Q: Description says hook -  81856, photo shows pin?  If it is a hook, what is the thickness of the hook?**
A: Hook thickness is .44”--.47”

## Frequently Bought Together

- GEARWRENCH Adjustable Hook Black Oxide Spanner Wrench, 2" to 4-3/4" - 81856
- GEARWRENCH Adjustable Pin Black Oxide Spanner Wrench, 1/8" Pin, 3/4" to 2" - 81860
- GEARWRENCH Adjustable Pin Black Oxide Spanner Wrench with 1/4" Pin, 2" to 4-3/4" - 81864

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**Shop now:** [https://www.desertcart.sg/products/352339062-gearwrench-adjustable-hook-black-oxide-spanner-wrench-2-to-4](https://www.desertcart.sg/products/352339062-gearwrench-adjustable-hook-black-oxide-spanner-wrench-2-to-4)

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*Product available on Desertcart Singapore*
*Store origin: SG*
*Last updated: 2026-01-29*