GRC-12 Self-Aligning Guide Rail Connectors

A Better Way to Connect Guide Rails

Watch this video to see how the GRC-12 auto-aligns and secures two guide rails at the same time, while eliminating the need for expensive straight-edges.

Another TSO innovation, the GRC-12 is a first-of-its-kind, self-aligning guide rail connector for use with Festool, Makita, Milwaukee, Kreg ACS, POWERTEC, WEN, and Triton brand guide rails. Before the GRC-12, aligning connected guide rails required a variety of methods and additional tools to achieve straight connections, with misalignment often difficult to detect without a long straight edge or similar tool. This issue becomes obvious too late—when gaps show up during assembly or glue-up.

The GRC-12 TSO guide rail connectors solve this problem with a completely self-contained and self-aligning design - thanks to an innovative integral keystone feature. Simply slide the GRC-12 into your guide rail T-slots and firmly tighten the M6 Mushroom Head Screws - that's it.

Because small hex wrenches can be annoying to deal with, we’ve solved that too: the included ball hex driver drops easily into the hex socket and is large enough not to get lost or easily overlooked.

Key Features of the GRC-12

• Connects AND aligns in one operation, with no need for secondary tools such as a level. 
• Easy, fast, accurate!
• Only perfectly aligned rails can produce perfectly straight cuts. 
• Unique Patent Pending design helps keep rails aligned.
• GRC-12 keeps rails aligned with it's Keystone-shaped Connector feature. 
• Connected and done!

What's Included In the Box

• GRC-12 Guide Rail Connector (2) 
• M6 Mushroom Head Screw, Stainless (8)
• M3 Ball Hex Driver (1) 

Technical Details

• Dimensions: 12 x .45 x .25 inches (305 x 11.5 x 6.4 mm)
• Weight: 2 oz. (60 g)
• Material: 6061-T6 aluminum, CNC machined finish 
• Compatible Guide Rails: FESTOOL FS Series, MAKITA, Milwaukee, Kreg ACS, POWERTEC and Triton (not compatible with FESTOOL HK 55 Carpentry Saws including the FSK 250, FSK 420 and FSK 670; not compatible with BOSCH or DEWALT tracks)