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Hardwood Wrench Stainless Steel Deck Board Straightening Tool

  • Offers multi-directional usage with its reversible handles
  • Provides hands-free fastening with superior aluminum locking cam
  • Steel joist pins can be used on single and double joists
  • See More Details

Frequently Bought Together


Product Overview

The Hardwood Wrench Board Straightening Tool provides contractors and Do-It-Yourself homeowners the capability to straighten the most difficult warped deck boards from practically any angle. This wrench exerts 1,100 lbs. of pushing force using just one hand, configured for either the left-hand or right-hand direction. The Hardwood Wrench deck board bending tool is effortless to operate by a single deck installer. All it takes is a simple swing of the tool's handle to straighten a warped board and the self-locking cam holds the board in place for true hands-free deck fastening. This deck tool operates on single or double joists upwards to 3.5 in. wide and almost every kind of deck material. The reversible handle provides multi-directional usage for areas with limited space or to straighten a deck board on the outside of a deck framework. The stainless steel handles as well as the joist pins can simply be flipped, reversed, and expanded to work on any warped board at practically any angle. The knurled joist pin securing knobs can be flipped to grip framing where there may not be enough clearance for traditional joist pins, or to straighten rain-screen hardwood siding boards. Reduce deck installation times drastically when fastening deck boards and watch production time increase for additional profitability.
  • Straightens hardwood deck boards with 1-hand and eliminates the need to use a chisel to push boards into place for fastener installations
  • Pushing force of 1,100 lbs. of pressure to straighten warped boards
  • Knurled stainless steel joist pins grip joists tightly; aircraft grade aluminum locking cam provides hands-free fastening
  • Corrosion resistant stainless steel handle pins create 10 different wrench configurations
  • Adjustable stainless steel joist pins for use on single and double joists up to 3.5 in.
  • Solid American ash hardwoods handle for 1-man installations
  • Stainless steel multi-position handle permits left or right hand operation direction
  • Reversible knurled joist pins also work on rain screen siding

Info & Guides

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Individual Product Height (in.)
Individual product length (in.)
Individual Product Width (in.)
Product Depth (in.)
8 in
Product Height (in.)
3.5 in
Product Width (in.)
20 in


Color Family
Metallic Carbon
Decking Hardware Type
Other Deck Hardware
Fastener/Connector Material
Number in Package
Total Product Weight (lb.)

Warranty / Certifications

Manufacturer Warranty
Visit our DeckWise website at www.deckwise.com/hardwood-wrench-warranty.html for detailed warranty information.

Questions & Answers


Is this a pricey bow-wrench?

Asked by Kac November 29, 2015

I bought a $50 bo wrench and built a 20x40 deck last year, didn't slip or fall apart at all.

Customer Reviews

  • 3
    out of 2 reviews
  • 0% recommend this product
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Showing 1-2 of 2 reviews
Took so long to get here, the deck was finished....
Took so long to get here, the deck was finished. Need to return.
This is an awesome product. Not sure how we...
This is an awesome product. Not sure how we would have done the deck without this.
by HomeDepotCustomer
Showing 1-2 of 2 reviews