Description
The Original, Patented Dual-Edge Guide Rail Square for Festool®, Milwaukee®, Makita®, Powertec®, WEN® & Triton® Track Saws
Introducing the newest version of the best-selling guide rail square on the market: the GRS-16 PE v2. Designed to make it much faster to achieve dead square cuts with your track saw, our newest square improves upon the original GRS-16 by adding a second "parallel edge" to permit squaring against the front and back of your workpiece.
What makes the GRS-16 PE v2 the best tool of its kind?
- NEW! Rapid attachment feature: simply insert the square at any point along the guide rail and clamp it in place—no need to slide it into the guide rail from one of the ends or remove hose deflectors, clamps, or other accessories occupying the guide rail T-slot
- NEW! Now compatible with Milwaukee M18 FUEL™ 6-½" Plunge Track Saw guide rails.
- Single-piece design that self-squares to 90° with no adjustments needed (and no points of failure in the future)
- Lighter than its predecessor despite being CNC machined from 25% thicker aluminum, with improved guide rail support and engagement
- Draw latch hook now features a resilient coating to grasp your guide rail and protect it from marring
- Notches in both reference edges accommodate popular clamps like the Festool Screw Clamp (489570), Quick Clamp (FS-HZ 160), and Axminster clamps
- Threaded M6 accessory mounting holes enable connection to the TSO Parallel Guide System and Angle Accessory
- Two squares fit in a Systainer—see our Systainer Foam Insert and limited edition TSO Blue Systainer3 M 112
- New, fully recyclable all-corrugated packaging
See How It Works
Simple, Automatic Accuracy
Before the GRS-16, methods for squaring a track saw relied on the loose-tolerance T-slot found in every guide rail. To overcome this inherent inaccuracy, woodworkers relied on a separate reference square, plus a combination of loose parts like T-bars, hex bolts, and knobs. These shop-made solutions would often quickly fall out of square, requiring constant vigilance and recalibration to maintain accuracy.
The patented GRS-16 PE solves this problem with a simple one-piece design that self-squares as it attaches to the guide rail. Once the powerful draw latch is engaged, the GRS-16 PE becomes a rigid extension of your guide rail, providing two precise 90° reference edges that won’t fall out of square over time. Despite its high clamping strength, a comfort coating on the latch handle makes it easy to generate the leverage necessary to engage, release or reposition the square along your length of track.
Made in the USA with a Five-Year Warranty
The GRS-16 PE is precision CNC machined from a single piece of 5/8" (15 mm) thick 6061-T6 aluminum and anodized for a non-marring, durable finish. The GRS-16 PE is made in Minneapolis, United States, and comes with a five-year warranty.
GRS-16 or GRS-16 PE?
If you need the ability to reference off the front and back edge of your workpiece, select the GRS-16 PE. If you want the absolute smallest and lightest form factor and anticipate using the square for conventional cuts referencing the front edge of your workpiece, choose the GRS-16.
A System Approach
The GRS-16 PE is much more than a guide rail square; it's the foundation of a broader system of TSO Products designed for interoperability. In fact, the GRS-16 PE can be connected to the TSO Parallel Guide System via its accessory mounting holes. Once connected, you can repeatedly square and parallel rip multiple workpieces.
Festool MFT/3 Compatibility
Did you know the GRS-16 PE can be connected directly to your MFT/3 guide rail hinge bracket? The time-consuming re-squaring process of the MFT guide rail is now a thing of the past. Rail squareness is now assured, unaffected by varying material thickness and rail height adjustment. The inspiration for this improvement came from customer Simon H., a Festool MFT/3 user in the UK. We listened and took action. Thank you, Simon!
We engineered this feature to keep the kerf line in exactly the same location as your standard MFT/3. You can quickly change back to the original MFT/3 arrangement any time.
GRS-16 PE connects perfect square to MFT/3
It does not get any more accurate than this!
Technical Details
- Dimensions: 15.2 x 6.0 x 1.4 inches (386 x 152 x 36 mm) - click here for dimension drawing
- Weight: 1.9 lbs (862 g)
- Material: 6061-T6 aluminum, anodized, 5/8 in (15 mm) thick
- Compatible Guide Rails: Fits Festool, Milwaukee, Makita, Powertec and Triton. Not compatible with Festool HK 55 Carpentry Saws including the FSK 250, FSK 420 and FSK 670. Not compatible with Bosch, DeWalt, or Kreg tracks. For DeWalt compatibility, see separate GRS-16 PE D model. For Kreg compatibility, see separate GRS-16 PE K model.
- Clamping Mechanism: Over center draw latch (304 stainless steel) with compensating spring; secured with M4x0.7-10 stainless steel socket head screws
- Accessory Mounting Holes: Tapped for M6 threads for compatibility with TSO Parallel Guide System and Angle Accessory
Videos
Quick video walkthrough of the original GRS-16 PE.
Special thanks to Eric at The Poplar Shop for his unexpected video review of the original GRS-16!
Guide Rail Square Comparison Table
GRS-16 Guide Rail Square |
GRS-16 PE Guide Rail Square |
|
Best for… | Squaring your guide rail by referencing off the front edge of your workpiece | Squaring your guide rail by referencing off either the front or back edge of your workpiece |
Price | $179.95 | $189.95 |
Optional Add-ons | TSO Parallel Guide System TSO Limited Edition Systainer³ M 112 FoamPack Storage Insert for T-LOC Systainer & Systainer³ M 112 Angle Accessory |
Videos
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TSO Products GRS-16 Guide Rail Square. Quick review.
TSO Products sent me the GRS-16 guide rail square and asked me...
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New Release: GRS-16 Track Square
Damion Fauser, furniture designer/maker and Wood Review author...
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GRS-16 Track Saw Guide Rail Square Review
Looking for a quick and accurate way to make square cuts with ...
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One month review of my TSO Products GRS-16
I found thus company on the internet while searching for other...
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Testing the TSO GRS-16 PE Square with the FESTOOL FS1400 Guide Rail
The friendly people at TSO send me their TSO GRS-16 PE. I cut...
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GRS-16
An accessory tool for track saws that gives you perfect 90 deg...
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Track Saw Guide Rail Square - Presenting the GRS-16 PE
In just seconds, transform your Festool, Makita or Triton bran...
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Upgraded GRS-16 PE v2 Guide Rail Square with Faster, Drop-on Attachment
In just seconds, transform your Festool, Milwaukee, and Makita...
Warranty & Returns
236 Reviews
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High quality
I bought the GRS -PE V2 version because it works for Milwaukee and festool, Very impressed with the workmanship and quality of this product
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Must have tracksaw accessory
I have been using the Makita SP6000 tracksaw for about 3-4 years now, and I recently realized that I needed a tracksaw square to speed up my projects. I'll be honest I was originally going to buy Benchdogs square until I found out that TSO was a fellow Minnesota company that's located about 165 miles from my house. I went with TSO over Benchdogs because I prefer to support Minnesota businesses when I can. PRO: Amazing quality, it feels hefty, well engineered, easy to take on and off, it was really square and accurate out of the box. I did the 5 cut method and the 5th cut was about 1/2" wide and about 24" inches long. according to my calipers 1 end was 0.06mm thicker than the other end. Now that could have easily been from my calipers, my saw or my track so that was plenty accurate for me. Another pro is that this square pairs perfectly with the parallel guides, and I could recommend going that route. CON: NOTHING! I can't think of a single con for this square. This is a must have for anyone that has a tracksaw. Don't waste your money on cheaper inferior squares that are most likely not square. I regret not buying this years ago.
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TSO Parallel Guide
Really happy with this product. Everyone I had spoken to about it was talking it up quite a bit, and I'm not disappointed. Great tool to have as an accessory for your guide rail.......I now actually consider it a must.
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Another TSO Homerun
A great asset to the track saw! Really make squaring sheet goods fast and easy. Also awesome for cross cuts. Highly Recommended!
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better than the rest
Well engineered,light,top notch machinery fit and finish.Worth every penny and than some.Nothing more to say other than keep up the good work.Thank you !