300mm (12") Adjustable Wrench With 34mm (1.3") Jaw Opening media thumbnails
12'' ADJUSTABLE WRENCH
12'' ADJUSTABLE WRENCH
12'' ADJUSTABLE WRENCH
12'' ADJUSTABLE WRENCH
12'' ADJUSTABLE WRENCH

300mm (12") Adjustable Wrench With 34mm (1.3") Jaw Opening

£10.99

Tax included

Made from heat treated, drop-forged carbon steel with chrome plating, this durable 300mm (12") adjustable wrench has a 34mm (1.3") jaw opening.

Add £40.00 more for FREE shipping!

Get next day delivery if you order before 2pm

12'' ADJUSTABLE WRENCH

Crafted for both DIY enthusiasts and professional tradespeople, this 12'' adjustable wrench is your go-to tool for tackling a variety of tasks, from household repairs to complex automotive adjustments. Made from heat-treated, drop-forged carbon steel, this wrench promises exceptional strength and longevity. Its durable chrome plating ensures protection against corrosion, allowing for reliable use in any workshop or job site. With a generous 34mm (1.3") jaw opening, it effortlessly accommodates a wide range of bolt sizes, making it versatile enough for all your fastening needs.

- 🌟 Durable construction with heat-treated carbon steel
- 🔩 Wide jaw opening for versatile applications
- 💧 Corrosion-resistant chrome plating for lasting use

🔹 How to Use

🔹 Step 1: Select the appropriate size nut or bolt you need to tighten or loosen
🔹 Step 2: Open the jaw of the wrench by turning the adjusting screw counterclockwise
🔹 Step 3: Position the jaw around the nut or bolt, ensuring a snug fit
🔹 Step 4: Tighten the adjusting screw by turning it clockwise to secure the wrench
🔹 Step 5: Turn the wrench in the appropriate direction to tighten or loosen the fastener

We work hard to make sure Amtech tools are reliable as well as affordable. However, if you have a problem with any product, we want to get your job up and running again as quickly as possible.

All our hand tools are backed by a three year product replacement warranty and our power tools range are covered for up to two years.

So if something develops a fault within the specified warranty period, we’ll replace it, subject to proof of purchase.

300mm (12

Is This the Right Tool for You

Is This Tool Right For You?

🔧 Ideal for both DIY enthusiasts and professionals who need a reliable tool for various applications.

🔧 Excellent for tightening or loosening nuts and bolts in plumbing, automotive, and construction projects.

🔧 Perfect for use in tight spaces, thanks to its adjustable jaw that accommodates a wide range of sizes.

🔧 A great choice for those who appreciate durability, as it is made from heat-treated, drop-forged carbon steel with chrome plating for increased longevity.

🔨 Limitations:

🚫 Not suitable for high-torque applications where a torque wrench would provide more precision and accuracy.

🚫 May be less effective in confined areas where a socket set or ratchet might offer better accessibility.

How This Tool Makes Your Job Easier

How This Tool Makes Your Job Easier

🔧 Exceptional Durability: Crafted from heat-treated, drop-forged carbon steel, this adjustable wrench is designed to withstand heavy use, ensuring it won’t fail when you need it most.

🔩 Chrome Plating: The chrome finish not only provides a sleek appearance but also protects the wrench from rust and corrosion, ensuring it remains in top condition throughout its lifespan.

🛠️ Versatile Jaw Opening: The 34mm (1.3") jaw opening allows for a wider range of nuts and bolts, making it ideal for various tasks in both DIY projects and professional settings, reducing the need for multiple tools.

🔄 Adjustable Size: The easy-to-use adjustment feature means you can quickly switch between different sizes, saving you time and effort when working on multiple fasteners in one go.

300mm (12

How We Compare

Feature ✅ 300mm (12") Adjustable Wrench With 34mm (1.3") Jaw Opening ❌ Other
Durability ✅ Constructed from heat-treated, drop-forged carbon steel with chrome plating, ensuring resistance to corrosion and wear over time. ❌ Often made from lower-grade materials that may rust or break, resulting in a shorter lifespan.
Jaw Opening Size ✅ Offers a generous 34mm (1.3") jaw opening, accommodating a wider variety of fasteners and nuts for versatile use. ❌ Typically features a narrower jaw opening, limiting its usability and requiring multiple tools for different tasks.
Precision and Grip ✅ The finely calibrated adjustment mechanism allows for a precise fit on fasteners, reducing the risk of slipping and damaging the workpiece. ❌ May have a less reliable adjustment system, leading to poor fit and increased chance of slippage during use.

Why Buy from Amtech?

🔧 Why Choose Amtech?

• Trusted Quality: Over 30 years of reliable performance.

• Everyday Practicality: Designed for real jobs – smart, durable, easy to use.

• Great Value: Professional results without the premium price tag.

• Ongoing Support: Straightforward warranties and UK-based after-care.

• 90-Day Free Returns: Just in case it’s not quite right for your project.

Frequently Asked Questions

You have questions, we have answers

What makes Amtech tools different from other brands?

How can I get assistance if I'm unsure which Amtech tool is right for my project?

What’s your returns policy?

What warranty do you offer?

Can I buy Amtech locally?

Find a Stockist