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Hardwood Wrench - Board Straightening Tool
Hardwood Wrench

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Hardwood Wrench

The Ultimate Deck Board Straightening Tool

Effortlessly position deck boards perfectly in a fraction of the time with a Hardwood Wrench board straightening tool! Building a deck has never been easier. Gone are the days of bending deck boards that are warped into place using a chisel. Instead, save time money and effort by straightening boards with a simple crank.

The Hardwood Wrench Deck Board Straightening Tool works with single or double joists up to 3-1/2" wide and with all decking materials including pre-grooved or standard wood, composites and PVC. The reversible handle and adjustable knurled joist pins accommodate a variety of jobs and multi-directional use for applications with limited space.

The Hardwood Wrench™ is the most advanced board straightening tool ever created. Give yourself the freedom of installing fasteners with ease with a tool that easily cam locks into place for true "One-Man Installation." With a pushing force of around 1100 lbs., the Hardwood Wrench gives you up to 8x more bending power than other deck board straightening tools.

The handle and joist pins are designed to give you the ability to straighten deck boards from both left or right hand direction. This can be useful when you need to straighten a board on the outside of your deck frame and for repairing deck boards that have started to warp. Perhaps best of all, this tool features a locking cam which permits you to let go of the wrench handle while installing fasteners.

Manufacturer's Specifications

Proudly Made in the USA

USA Made Tool

Includes Premium Carrying Case

Our Price: $219.00

Product Code: 6252-002


The Hardwood Wrench is simple to operate as a single deck installer, as it straightens even the most bowed boards and locks them into place while decking fasteners are installed. All it takes is a simple swing of the handle to have the boards ready for fastening, saving time, effort and money!

Decking Wrench

A premium tool is made from premium materials. The Hardwood Wrench from DeckWise features many features many of these premium materials, designed for maximum tool life, performance and durability. This tool makes working with Ipe wood easy. It all starts with the durable solid hardwood grip, which extends into a corrosion resistant stainless steel handle. The "claw" of the tool is made from hard-anodized aircraft grade aluminum which holds two adjustable knurled stainless steel joist pins for maximum grip on joists up to 3-1/2 inches.

The Hardwood Wrench is adjustable with ten different configurations to fit a variety of decking jobs. In each configuration this tool creates 1100 pounds of bending force with a simple swing of the tool's handle to straighten even the most warped of hardwoods.

Warped Deck Boards

The Hardwood Wrench is a useful tool for both installing and repairing decks and deck boards. Building a deck with warped deck boards has never been easier than with the Hardwood Wrench. Over time deck boards naturally start to warp from the weather. Rather than replace each board, just repair deck boards by simply readjusting them with the Hardwood straightener and placing new fasteners in the wood or composite material. This will not only lift the boards into a straighter position but will also save you money instead of investing in new deck boards all-together. Repairing decks used to be a complicated process involving a chisel to bend the board back into position. Now simply crank and fasten, making working with Ipe wood and installing Ipe clips easy.

Deck Board Straightener

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