What length did you cut your 2x1-5/8” timber to? Also would a 2x2 work for this? The instructions are a bit vague.

The length of the cauls will depend on how wide of a panel you're clamping. I made mine 24" as that will accommodate most of the work I do. I can make longer ones if I make something bigger, like a table-top. As for the 1 5/8", I did originally make the cauls 2x2. Turns out 1 5/8 is the thickness you want if you want to be able to clamp thick stock. And anything thinner will not accommodate the screws. So 1 5/8 it is!

I would like to purchase more of the notched plastic rails, so I can make varying length cauls. Where can I find them?

I routed 5/8” diameter slots into the boards I use. I don’t use the plastic slot holders. If you are using 2x4 use 2x6. Instead. Mine are actual # shaped so I can clamp all six directions. But be warned that the top and bottom bend if you overtighten

What is the largest size "wooden bar" will it accept? Will they take an actual 2"x2" board?

A 2x4 is not 2" by 4". The width which will fit through the clamps is 1.75". The maximum height of the wood would be approximately 5 3/8". (Though I cannot imagine a person using a board this thick.)

How wide of a tabletop can be glued up with this system?

It's theoretically unlimited. You provide the caul that spans the width of the glue-up.

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Peachtree Woodworking Supply 2 Pack of 4 Way Pressure Clamps for Clamping Panels From All Four Directions. For Woodworkers, Cabinet and Furniture Makers (2 four way pressure clamps)

Product ID: 46683725

Details

Brand
Peachtree
Color
Black
Item dimensions L x W x H
16 x 6.3 x 5.4
Manufacturer
Peachtree
Material
Alloy Steel
Number of Packs
2

🔄Simultaneous 4-way pressure clamp

🔩1000 PSI tensile strength

↔️Adjustable for boards up to 6" thick

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Description

🔧 Master your glue-ups with flawless 4-way pressure precision!

PRO LEVEL SETUP - Includes two full clamp assemblies for multi-point clamping on larger projects.
HEAVY DUTY STRENGTH - Withstands up to 1000 PSI for rock-solid glue-ups every time.
DAMAGE FREE CLAMPING - Side pressure pads protect your wood from dents and marks during pressure application.
CUSTOM FIT FLEXIBILITY - Adjustable plastic bars with 4 notches handle various panel widths up to 6 inches thick.
PRECISION 4 WAY PRESSURE - Clamp panels evenly from all sides to eliminate bowing and racking.

The Peachtree Woodworking 2-Pack 4 Way Pressure Clamps deliver professional-grade clamping by applying uniform pressure from all four directions simultaneously. Designed for woodworkers and furniture makers, these clamps prevent panel bowing and racking during glue-ups, support boards up to 6 inches thick, and feature durable alloy steel construction with a tensile strength of 1000 PSI. Each pack includes two complete clamp assemblies with adjustable bars and protective pressure pads, enabling precise, damage-free panel assembly every time.

Specifications

ASIN	B073QSF8JR
Best Sellers Rank	#58,309 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #52 in Bar Clamps
Brand Name	Peachtree Woodworking Supply
Color	Black
Customer Reviews	4.5 4.5 out of 5 stars (957)
Item Dimensions	16 x 6.3 x 5.4 inches
Manufacturer	Peachtree Woodworking Supply Inc..
Manufacturer Part Number	666
Material Type	Alloy Steel
Model Number	666
Set Name	2-pack
Style Name	Simple
Tensile Strength	1000 Pounds Per Square Inch
Unit Count	2.0 Count

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$201.67

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In stock

Sold byAmazon USADelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Desertcart purchases this item on your behalf and handles shipping, customs, and support to USA.

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TrustScore 4.5 | 7,300+ reviews

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