Upgrade your toolbox with our professional-grade 12 Inch Adjustable Wrench. Forged from heat-treated Chrome Vanadium (Cr-V) steel, this 300mm spanner offers the perfect balance of high torque leverage and precision adjustment for heavy-duty plumbing, automotive, and maintenance tasks.
Precision Adjustment: Smooth-running knurled adjustment screw with laser-etched metric and imperial scales.
Superior Torque: 12-inch handle length provides maximum leverage for stubborn or rusted fasteners.
Corrosion Resistant: Polished chrome finish protects against rust and ensures a long tool life in damp environments.
£10.99 Incl. VAT
A 12 inch adjustable wrench (often called a 300mm crescent wrench) is an essential multi-purpose tool designed to grip a wide variety of hexagonal and square fasteners. Unlike fixed-size spanners, the adjustable jaw allows you to transition seamlessly between different nut and bolt sizes, making it the go-to tool for emergency repairs and general mechanical work.
At ECO HEAT SHOP, we understand that durability is non-negotiable. Our wrenches are manufactured from heavy-duty Chrome Vanadium (Cr-V) steel, which is drop-forged and heat-treated for exceptional hardness. This prevents the jaws from “splaying” or rounding off under high pressure, ensuring a secure grip on every turn.
Despite its 300mm size, this wide jaw adjustable wrench features a tapered head design, allowing you to access nuts in confined spaces where larger pipe wrenches might fail. The jaws open up to a generous 38mm – 40mm capacity, covering the vast majority of domestic plumbing fittings and automotive bolts. The integrated laser-etched scale allows for “pre-setting” the jaw width before reaching into dark or awkward areas.
Total Length: 300mm (12 Inches)
Maximum Jaw Opening: 40mm
Material: Forged Chrome Vanadium Steel
Finish: Anti-corrosion Polished Chrome
Standard Compliance: Meets or exceeds ANSI/ASME B107.8 technical standards.
To keep the adjustment mechanism smooth, we recommend a light drop of 3-in-1 oil on the knurled screw periodically. Because of its high-grade chrome plating, this wrench is highly resistant to the rust typically found in plumbers’ toolbags, ensuring it remains a reliable asset for years to come.
| Weight | 0.6 kg |
|---|---|
| Dimensions | 300 × 60 × 20 mm |
ECO Heat Shop Ltd provides national distribution for plumbing and heating supplies across England, Scotland, and Wales. Orders placed before the 18:00 PM (Afternoon) cutoff are typically processed for same-day dispatch.
View Full Shipping & Collection Policy ›Hours: Monday – Saturday: 08:30 AM – 06:30 PM | Sunday: Closed
Location: Unit 8 West Cross Shopping Centre, Oldbury Rd, Smethwick, B66 1JG
In-shop precision key cutting available during standard operational hours. Professional while-you-wait service for Smethwick residents and trade contractors.
Smart supplies for real heat.
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