Monument
Monument 3144C Wide Jaw Adjustable Wrench 300mm (12in) 3144C
Model 3144C
Best price
Where to buy
| Retailer | Price | Availability | Visit |
|---|---|---|---|
| Cheapestchecked 23 hours ago | £60.43 | In stock | Visit Blueperry agriculture (UK) (opens in a new tab) |
 checked within the hour | £61.95£91.56 | In stock | Visit Tooled Up (opens in a new tab) |
 retailer's price from 16 Jul 2026 | £67.55 | In stock | Visit Blueperry Tool & Builders Merchants (UK) (opens in a new tab) |
Prices exclude delivery. We may earn a commission if you buy through these links, which never affects the ranking above — it is always cheapest first.
Price history
Full price historyToday's price is above the 53-day average and 10% above the lowest we have recorded, so it may be worth waiting.
About this product
This 300mm (12in) Monument Wide Jaw Adjustable Wrench is the largest in the range, offering maximum reach and leverage for heavy-duty applications such as commercial plumbing, boiler installations and industrial maintenance work involving substantial pipework or large compression fittings. It is made from Chrome Vanadium Steel with a Phosphate finish for durability. The wide jaw configuration gives a stronger tool-to-fastener contact point, helping to prevent slippage and fastener damage on larger fixings. Jaw capacity is 60mm. The handle is a plastic rubber cushion permanently adhered to the shank, with a soft, anti-slip surface for a secure and comfortable grip even when applying considerable force over extended periods.
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