Features:

  • The simple and easy to use Square 90 will become your third hand while assembling cabinets, drawers, boxes or any project that requires a 90° corner to be held in place while assembling. You can use the Square 90 in multiple situations where a 90 degree angle is needed. It can be used on a standard 90, a t-joint, outside 90 degree, all four corners and more! Made from high impact polycarbonate, the Square 90 is strong and durable enough for any project. It can be clamped on the inside or outside
  • It can be clamped on the inside or outside corner of your work piece making this a very versatile Clamping Square for any project. The Square 90 is secured to your stock using either an F-Clamp (NOT INCLUDED) or a C-Clamp (NOT INCLUDED). Achieving 90 degree corners just became a whole lot easier!
  • Can be used on a standard 90, a t-joint, outside 90 degree, all four corners and more
  • Embossed graduation marks on both sides of each square
  • Made from high impact polycarbonate
Great for making boxes

If you're making 90 degree boxes, frames or otherwise, there are great. They did make me realize I need smaller clamps so there might be an added expense but I got the job done with these. They work great, are sturdy and really make the job easier! I wish i bought them a long time ago.

Great for DIY

Great little DIY assistant!! Working on my cabin on my own, these little blocks ensure that my wall frames are perfectly square.

These squares are square!

This review is for the 6" squares: I am very impressed with the quality and accuracy of these squares. As you can see in the attached picture all four squares are square. The machinist square on top that I measured them against is a Kinex 4" DIN 875/1 square that is accurate to within 0.0005". All four are square on the inside and outside, and the ends are square as well. However, I am not claiming the plastic squares to be as accurate as my machinist square, but considering the price and material they are plenty close enough for my woodworking needs. The overall build quality is excellent. The plastic material feels very durable and the faces are flat and smooth. Each side has ruler markings, one imperial and the other metric. I checked the imperial rule against an accurate ruler and found it to be accurate until the last few 1/8" marks, where it was off by as much as 1/64". I measured the outside length of the square on each end at 5-7/8", so just 1/8" shy of a full 6", and the inside measured at 4-1/2". I am very pleased with these squares and have no complaints. The rule and the overall length I mentioned above are a non issue for me. These squares are for clamping assemblies and I feel they will work great for that purpose. I will not be using them to setup my saws or other tools.

Expensive but...

the items I received are "true" 90º Square as advertised. I also received these items as promised. I highly recommend them if you want precision with your measurements.

Worked great, no flex whatsoever

Good item, great price. Material is durable and I could not induce any flex. They also appear to be properly square.

Did not flex

I bought these instead of the higher priced metal ones and they worked very well. I thought being plastic they would bend and give some. I have used building a coffe table, two end tables, a bed side crib,and some drawers and they all turned out pretty square. I did check them all with a metal square. I watched them when I pulled and clamped the coffe table sides in and they did seem to flex. I am very happy with them.

Useful in many ways

These are great to use with almost any clamp. Long enough to be useful, short enough not to get in the way. Also useful as spacers, in sme uses.

Accurate and affordable

Affordable, accurate, and lightweight. I'm happy with these. They have been a huge help in assembling my woodworking projects. They may not be made of any type of metal but they seem to be very durable and cost way less than their metal counterparts.

Amazingly useful

I don't know why I missed purchasing these years ago. A package of 90 degree angle braces comes in handy in so many ways. Other than the obvious uses of aligning corners, the ability to use them to clamp pieces together for gluing is a godsend. I have metal squares but I never use them to glue. There's no flat surface to clamp. These on the other hand... these work great. I originally bought a 4 pack as a "Eh, why not?" purchase. Since then, I've used 'em on every woodworking project so far. Grab a pack. It's worth it.

Pretty solid and get the job done.

I used these today to build framing for a work bench. Very helpful in lining up your work and keeping things square. Happy with the purchase.

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