Straighten Effortlessly | One-Man, One-Hand Installation®

Hardwood Wrench™

Deck Board Straightening Tool

The Hardwood Wrench™ is the most advanced board straightening tool ever created. This tool is used to hold deck boards straight while fasteners are being installed. It cam locks into place and applies much more bending power than other methods of straightening deck boards. Experienced deck builders recognize this deck tool as a long term solution for building decks.

Patent Numbers: US 8,936,054; 10,526,801B2; D623,913; EP 2,387,648; DE202010001036.5; UK 2,469,964; AU 2010210940; CA 2,749,643. Other patents pending.

Hardwood Wrench™ box
Step 1 - Straightening board with Hardwood Wrench™
Step 1
Place Hardwood Wrench™ on the joist
Step 2 - Straightening board with Hardwood Wrench™
Step 2
Swing handle until board is straightened
Step 3 - Straightening board with Hardwood Wrench™
Step 3
Locks in place for hands free holding

Product Benefits

  • Cam locks in place for true hands free “one man” operation
  • 1100 lbs. of bending force
  • Capable of bending multiple boards simultaneously
  • 10 unique configurations
  • High quality anodized aircraft grade aluminum with hardwood handle
  • Adjusts to various sized joist thicknesses
  • Easily reversible handle with NO EXTRA TOOLS NEEDED
  • Works With ALL Decking Materials
Made in USA


Use the Hardwood Wrench™ on all types of decking materials!

Pressure Treated
Hardwood Wrench™ is expandable

Use on single or double joists up to 3.5" wide and on all types of decking, including pregrooved or standard lumber, composites, as well as PVC.

Hardwood Wrench™ is reversible

The Hardwood Wrench™ features a patented reversible handle that accommodates multi-directional use and is great for working in areas with limited space.

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DeckWise® offers a complete line of hidden deck fasteners, stainless steel screws, deck building tools, & accessories! Discover more by visiting DeckWise.com today.

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