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Your cart is empty.Here's a solution that's so simple, you'll wonder why it took so long to develop! The Clamp-It replaces custom clamping jigs, acts as a third hand, and eliminates the need for long bulky clamps. Simply put, the Clamp-It is a square you can clamp. In fact, you can even assemble a cabinet one corner at a time! Works with any joinery technique, from nails to hand cut dovetails. It's ideal for every stage of construction, from assembling plywood cabinets to face frames and drawers. Clamp-It is also perfect for framing decks and installing rails and balusters. Attach it to a work surface, and it becomes a right angle fixture for bench assembly. Clamp-It is computer designed and manufactured from high impact, rigid polycarbonate to ensure strength and accuracy. Size of the Clamp-It is 8" X 8" X 1 - 1/2". Drawer Assembly: Clamp-It is designed for use on either the inside or outside of a corner, making it ideal for assembling drawers with lipped fronts. Deck Rails: Use Clamp-It to hold deck balusters at a perfect 90° angle while fastening. Bench Jigs: Clamp-It can be secured to any work surface to create a simple 90° assembly jig. 5" Clamp-It Bar Clamp: Clamp features a fixed head with a comfortable ergonomic handle and a moveable tailpiece. Sold Separately Find the right Clamp-It for every project! Also available from Rockler: Clamp-It Mini Assembly Square Clamp-It Adjustable Assembly Square Clamp-It Assembly Square w/Universal Fence Clamps
Maxime Boulanger
July 23, 2025
A great tool to use to make cabinet, recommend it!
Alexander van Dalen
May 30, 2025
I put these squares to work right out of the box to build some base cabinets. They are wonderful and the size is perfect for my project. They are sturdy, although I would not attempt to use them for something larger than cabinet making as they may flex a bit with heavier pieces. My only problems is that I don't have more of them. Will order 4 more soon.
Jeffrey Thompson
April 6, 2025
I bought the angle clamping jig thinking this came with it. The jig was useless without this right angle piece. I actually use this thing constantly without the jig because it is large yet not cumbersome like my carpenter square. Use it to set 90 degrees on all things just about so I bought a second one.
ArtW
February 25, 2025
The 8" x 8" x 1 1/2" Rockler Assembly Squares were the next size larger than what I had intended. However, after using them, I am glad for this size, as well as buying two. My application is building model buildings (for model RR). I have used traditional hobby-size "Squares" for this purpose. While I could get a 90-degree joint when gluing, say, two walls together, they would sometimes fall out of plumb. With the Rockler Squares, the 1 1/2 inch depth gives more of a vertical surface to keep the joint plumb. Plus, by using two of them (with the corner nestled between) gives a firmer pressure. I used a small spring-loaded c-clamp to gently hold the Rockler's together. One other nice feature is that there is a small "indent" on the inside corner. So, any glue that weeps out of the corner joint does not get unintentially glued onto the Rockler.By the way, the Rockler clamp is rigid and well-constructed. Get two of them .
N
January 31, 2025
A really simple tool, one that you'd think would be more commonplace. I honestly just use it as a square because it's nice and thick, allows me to set it down in angles and stays upright. Pricey, but I don't suppose it will wear out anytime soon
Customer
November 23, 2024
I have to say, the only real reason I bought this item was for its price. Now that I have it, I can't believe how useful it is. I seem to be using it all the time when I am glueing things up that need to be at 90 degrees. I can clamp it to the workpiece to support an item while tightening pocket hole screws, I can clamp it flat to a table to make a true 90 degree area to join up two pieces of wood. I have 4 of these and I have to say that I am really supprised how often I use them. Great buy.
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