The Betterley SLC23 StraightLine Connector for Guide Rails is a guide rail accessory built to align and hold two track saw rails in a straight line while you secure the rail connectors. This is a guide rail accessory designed for joining tracks accurately for long, straight cuts. Model Number: SLC23. If you use a track saw for sheet goods, trim panels, or long rip cuts, this solves one of the most common headaches in the system: getting two rails lined up without wasting time.

On the job, the value is simple. Track saws can cut very straight, but only if the guide rail stays straight through the joint. The Betterley SLC23 StraightLine Connector gives you a fast way to lock the tracks together in seconds and keep them in position while you tighten the guide rail connectors. That means less trial and error, less shifting at the seam, and a better chance of getting a clean, continuous cut across long material.

Betterley also gave this accessory some real shop value beyond rail setup. It doubles as a precision machined 23 inch straight edge for machine or tool alignment. That makes it more than a one-task accessory. For woodworkers and installers who already care about setup accuracy, having a compact straight edge built into the tool is a useful bonus instead of something that sits in a drawer between jobs.

The build matters here because this kind of accessory only works if it stays true. Betterley machines the SLC23 from solid aluminum and finishes it with anodizing for long-term durability. Precision machined components are the whole point of the design. If the connector flexes or wears badly, it stops being a precision accessory. This one is built around rigidity and repeatability, which is exactly what you want when the goal is dead-straight track saw cutting.

Compatibility is another strong point. The Betterley SLC23 StraightLine Connector for Guide Rails is designed to work with Festool, Milwaukee, Makita, DeWALT, and Triton guide rails based on the provided product data. That gives it real value for users who already own one of those track systems and want a better way to join rails without buying a dedicated extra-long track.

This is a smart buy for cabinet installers, finish carpenters, remodelers, and serious DIY users who rely on a track saw for breaking down plywood or making long straight cuts where rail alignment actually matters. If you rarely join rails, you may not need it. But if you regularly work with full sheets or long panels, this is the kind of accessory that saves setup time and helps keep your cuts from drifting at the seam.

Betterley SLC23 StraightLine Connector for Guide Rails is a small accessory that fixes a real track saw problem

If you join rails often, this is the kind of accessory that makes your setup faster and your long cuts more dependable.

• Who it's for: Track saw users, cabinet installers, finish carpenters, and woodworkers working with long panels or full sheets.
• Why it stands out: It is built from machined solid aluminum, works across several major guide rail platforms, and doubles as a 23 inch straight edge.
• Worth knowing: Guide rails are sold separately, so this is a precision setup accessory, not a complete rail-joining kit by itself.

• What does this accessory do? It aligns and holds two guide rails straight while you secure the rail connectors for long cuts.
• Which guide rails is it designed to work with? The provided product data lists Festool, Milwaukee, Makita, DeWALT, and Triton guide rails as compatible.
• Can it be used for anything besides connecting rails? Yes. It also doubles as a precision machined 23 inch straight edge for machine or tool alignment.
• Are guide rails included? No. The product data states that guide rails are sold separately.