SKU: 48592479953

Ryobi Guide Rail Square Adapter - DIY Kit

Sale price$27.89 Regular price$30.99
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Description

Ryobi Guide Rail Square Adapter - DIY KitRafter Square not included! To use this kit you will need to purchase a 12" Empire Rafter Square (Model #3990 or Model #E3992) Ryobi Guide Rail Square Kit Feature Overview We worked with engineer Jeff Wagner to bring his rail square idea to market. The goal of this rail square adapter was to be an affordable option that will still produce accurate 90 45 degree alignment. This is designed to work with Ryobi Guide Rails! Our guide rail square uses the

Rafter Square not included! To use this kit you will need to purchase a 12" Empire Rafter Square (Model #3990 or Model #E3992)

Ryobi Guide Rail Square Kit


Feature Overview

We worked with engineer Jeff Wagner to bring his rail square idea to market. The goal of this rail square adapter was to be an affordable option that will still produce accurate 90/45 degree alignment.

This is designed to work with Ryobi Guide Rails!

Our guide rail square uses the accuracy of the 90/45 degree sides on the aluminum rafter squares to achieve a true 90 and 45 degree angle. We are able to keep the costs down by using a 3D printed cam lock mechanism to secure the square against the rail. There are a total of 4 cam locks, 2 on each side so that you can use the square on either side of the guide rail.

  • The guide rail square creates accurate 90 and 45 degree alignment
  • The guide rail square can be used on either end of the guide rail
  • Strong cam locking system to ensure snug fit to rail
  • Optional Support Tab to keep the rail square flush to your workpiece

Accurate Alignment

Our guide rail square adapter uses the accuracy of an Empire square and the guide rail to achieve accurate 90 degree and 45 degree alignment. The kit installs onto an Empire square within a few minutes. It uses a cam lock system to press the Empire square to the guide rail t-track, achieving a true 90 degree.

90° and 45° Alignment

The guide rail square adapter can be flipped around and used on both sides. This means that you can set up a 90 degree cut or 45 degree on the close side of your workpiece. You can also install the guide rail square on the far side of the guide rail on the opposite side of the work piece.

Optional Support Tab

The Empire square is 12" long, which means towards the end there will be minimal sagging due to the weight. This is common on all guide rail squares. We provide an optional support tab which will let the guide rail square and guide rail sit flush onto the workpiece.

Technical Details

  • Weight: 6 oz (excluding rafter square)
  • Material: HTPLA plastic
  • Compatible Guide RailsRyobi Guide Rails
  • Compatible Rafter Squares: Empire #3990 and Empire #E3992

What's Included?

  • (2) Installation Brackets
  • (4) Cam Locks
  • (2) Countersunk Screws
  • (2) Nylon Hex Lock Nuts

What's Included: Optional Support Tab?

  • (2) Installation Support Tab Brackets
  • (2) Support Tabs
  • (1) Countersunk Screws
  • (1) Nylon Hex Lock Nuts
Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
  1. Standard Shipping : 3-10 business days
  • If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
  • Please click here for more details>>> Return & Exchange Policy
SKU: 48592479953

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4.4 ★★★★★
Based on 18 reviews
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Mara
West Palm Beach, US
★★★★★ 2
Weirdest armhole proportions I've seen
Size: X-Large, Color: Navy/Sage Green, Size: X-Large, Color: Navy/Sage Green
There are a few nice things about these tanks -- I like the colors, there's a little extra length in the back, and the fabric is a thick quality fabric. I appreciate the fact they're 100% cotton and was looking forward to wearing these. Overall, the tanks fit as I would expect for the size. But what in the world is up with the dimensions for the arm holes? There is a significant amount of extra fabric that bunches up and looks awful (see photos) I've never had this happen on a tank top before, even one that's a size up. It's really strange and I'm disappointed that I can't keep these because of it.
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Reviewed in the United States on June 6, 2026
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Elisabet
Boise, US
★★★★★ 5
Comfortable Sleep Tanks, Weird Fit for Daytime
Size: Small, Color: Hot Pink/Oatmeal Heather
These 100% cotton tanks are perfect tops to wear at home: soft, breathable, and great for sleeping or lounging. The pink is extremely bright (borderline highlighter), while the beige is a much more wearable, calm color. The fit is a little odd on me—something about the cut just doesn’t sit right—so I wouldn’t wear them out of the house, but as a comfy bedtime set of two, they do the job.
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Reviewed in the United States on February 2, 2026
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FC
Omaha, US
★★★★★ 4
Very reasonable price for the quality
Size: Small, Color: Navy/Sage Green
The tank tops are well-made with quality fabric. I like the subdued colors, too. Unfortunately the tank tops don't fit me well.
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Reviewed in the United States on May 12, 2026
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Laurel R
San Leandro, US
★★★★★ 5
Classy cut
Size: Large, Color: Black
Good quality tank. Just what I was looking for. Not too short for my long torso. I’m 165 lbs and the large was just right. I’m over 60 and I don’t prefer a tight fitting tank top any more. I want a skim the body look with a bit more arm coverage. These look classy. I got the black and will order the bone color next. I will hang to dry but some reviews say it doesn’t shrink.
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Reviewed in the United States on May 18, 2026
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TitaniumGirl
Fort Morgan, US
★★★★★ 4
Super baggy
Size: Medium, Color: White
I’m Taking away one star for the bagginess and length of the top It’s super long I kept the top because the fabric is super soft, drapes nicely in the front, and can be used to wear under a blazer or on a beach Fabric has been washed and dried several times and has held up nicely Some minor wrinkles
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Reviewed in the United States on December 20, 2025

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