Woodpeckers Precision Clamping Squares

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Review by vipond33 posted 07-22-2012 12:05 AM 15587 views 0 times favorited 14 comments Add to Favorites Watch
Woodpeckers Precision Clamping Squares No-picture-s No-picture-s Click the pictures to enlarge them

Next to keeping your fingers attached to your hands, easily the most important thing in regular woodworking is keeping things square. I can’t count the number of times I’ve gotten myself in trouble over the years by being lax about this. The cure to out of square is painful, time consuming and often fruitless. “Oh, it’ll be alright” is the faint siren song in your memory as you look in dismay upon your project. This is what I do for a living so it’s worse than it sounds.

To that end there are many traditional aids to success. Metal squares naturally, measuring diagonals, meticulous machine setups and for this review a pair of precise clamping blocks from Woodpeckers. For that’s needed sometimes, clamping up against something that you know to be square.

Woodpeckers is a remarkable company, offering many thoughtful well machined products designed for our craft. These blocks are no exception. Sized at ¾” thick, 1” wide, 6” x 6” and CNC machined from solid aluminum with slightly radius-ed edges and with corner relief (for them and for us), they’ll convince your wood that it’s hip to be square. Hard anodized for durability and non-reaction to any glue. Their accuracy is beyond my measuring capabilities.

Now I know what you’re thinking. Why would I buy these when I can make perfectly good corner squares out of wood in my shop? Well I do that too but only for inside squares. There you may have a substantial gusset or rib giving great strength and repeatable accuracy, all because you have the luxury of a long inner diagonal.

Outside clamping with wooden aids is another story. Your members must be massive in relation to metal in order to prevent flex and the joinery is difficult to make ‘precisely’ 90 degrees, with any corrections over time being equally difficult. The compact nature of Woodpecker’s product often means not overwhelming your project with blocks and clamps. The metal ones will go into small spaces much more readily as well.

Another nice feature to these blocks is they are pre-drilled for screwing to your bench or a setup board, allowing you to push into them for assembly on repetitive tasks.

Nae cheap for sure and don’t use them everyday but what price the gloom at viewing your ruined work?

Made in usa, by those crafty usans.


Check out their One Time Run tools. There may be something of interest to you as this is an innovative company always trying new things.

-- [email protected] : dovetail free since '53, critiques always welcome.

View vipond33's profile


1405 posts in 3303 days

14 comments so far

View Kookaburra's profile


748 posts in 3030 days

#1 posted 07-22-2012 12:22 AM

Ooo, at first look I thought those prices were for each one (different sizes) but it is for packs. This is the kind of tool I like to invest in – you know it is square and true and do not ever have to suffer the after effects of a knock against the workbench. And I like that they are red! Not only my favorite color, but easy to spot. These are going on my shopping list.

-- Kay - Just a girl who loves wood.

View Dusty56's profile


11859 posts in 4493 days

#2 posted 07-22-2012 02:36 AM

”Made in usa, by those crafty usans.”

Laughing my irascible arse off, Gene !
Great review : )

-- I'm absolutely positive that I couldn't be more uncertain!

View rance's profile


4274 posts in 3966 days

#3 posted 07-22-2012 04:32 AM

It looks like you’ve got caught in the corner a time or two. I’ve used these a couple of time. I like them too.

-- Backer boards, stop blocks, build oversized, and never buy a hand plane--

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Jorge G.

1537 posts in 3280 days

#4 posted 07-22-2012 05:14 AM

Band saw, 19 mm plywood, clamping squares for next to nothing…... Heck I can even get my machinist to make a few for about half the price. It is a good idea but woodpeckers are going nuts with their prices.

-- To surrender a dream leaves life as it is — and not as it could be.

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5336 posts in 4687 days

#5 posted 07-22-2012 11:13 AM

Thanks Gene, always a joy.
Hmm, I am looking at life differently now.


-- -- I'm no rocket surgeon

View Rick1911's profile


9 posts in 3022 days

#6 posted 07-22-2012 04:11 PM

Fantastic review. Everytime I get a “little” money ahead I buy something from Woodpeckers or Incra or somesuch place as that. Haven’t been disapponted yet.
As to the cost: You want quality? You want American Made? You want someone to do research and development for you? It’s going to cost you. And the Woodpecker folks are entitled to their profit.

Sigh. Looks like these Precision Clamping Squares might be next on my wish list.

-- “Did you ever stop to think, and forget to start again?”

View DocSavage45's profile


9007 posts in 3648 days

#7 posted 07-22-2012 05:30 PM

Good point about the relative strengths of the shop made and the woodpecker framing squares.

-- Cau Haus Designs, Thomas J. Tieffenbacher

View deon's profile


2522 posts in 3831 days

#8 posted 07-22-2012 05:52 PM

Great stuff!

-- Dreaming patterns

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1571 posts in 3884 days

#9 posted 07-22-2012 09:30 PM

Couldn’t agree you more, Gene! Great reminder. Thanx

-- LittlePAW - The sweetest sound in my shop, next to Mozart, is what a hand plane makes slicing a ribbon.

View scarpenter002's profile


618 posts in 4710 days

#10 posted 07-23-2012 04:35 PM

Thanks for the review Gene. I have a Router Lift from Woodpeckers and really enjoy the quality of their products.

-- Scott in Texas

View EdwardR's profile


66 posts in 3059 days

#11 posted 07-25-2012 03:24 PM

I have a few sets and love them. I have yet to be disappointed with any of my Woodpecker purchases. You need to pick and choose or the wallet will go thin but great quality.

I bought my router table and lift at the NJ show and got a Micro adjust with it that still does not show on their web site. IT makes the super fence a great fence in my opinion.

View lumberjoe's profile


2902 posts in 3054 days

#12 posted 07-25-2012 11:14 PM

Woodpeckers and Incra are the two companies I have purchased a decent amount of stuff from and have yet to be let down. It’s expensive stuff, but worth every penny


View Kookaburra's profile


748 posts in 3030 days

#13 posted 07-30-2012 08:37 PM

Look what the mailman brought me today! they are so pretty and red :-)

-- Kay - Just a girl who loves wood.

View vipond33's profile


1405 posts in 3303 days

#14 posted 07-31-2012 01:51 AM

Nice pic, I laugh. Will we have an “unboxing” video on YouTube?
You get great reds with that Nikon.

-- [email protected] : dovetail free since '53, critiques always welcome.

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