Circular Saw Edge Guide with Scale for DeWalt DC390K DW936

Circular Saw Edge Guide with Scale – Precision Cutting for DeWalt Cordless Saws

Achieve perfectly straight, accurate cuts every time with this metal circular saw edge guide (Part No. 381091-00). Designed as a direct-fit replacement for a wide range of DeWalt cordless circular saws, this guide keeps your blade on track so you can work faster, smarter, and with greater confidence — whether you're a seasoned contractor or a dedicated DIY woodworker.

Made in China.

Key Features

• Wide Compatibility: Engineered to fit multiple DeWalt cordless saw models including DC390K, DW936, DC300, DC310, DCS391B, DCS393, DC390B, and DW936 Type 2 — ensuring a perfect, secure fit with your existing tools.
• Precision Cutting Accuracy: The integrated scale and stable construction guide your blade along a true, repeatable cutting line — ideal for ripping boards, cutting sheet goods, and trimming lumber with consistent results.
• Durable Metal Construction: Built from robust metal materials, this edge guide is designed to withstand regular workshop use, maintaining reliable alignment over the long haul.
• Quick & Easy Installation: Drops in as a direct replacement for your worn or damaged original guide — no special tools or modifications needed, so downtime stays minimal.
• Two Size Options: Available in 9mm and 11mm bar widths (Black or Silver finish) to match your specific saw model's guide rod diameter.

Specifications

Package Contents

• 1 × Circular Saw Edge Guide (381091-00)

Notes

• Actual color may vary slightly from images due to monitor settings and lighting conditions.
• Please allow minor measurement tolerances of ±1–2mm due to manual measurement.
• Always verify your saw model and bar diameter (9mm or 11mm) before ordering.

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For general circular saw safety guidelines, visit the U.S. Consumer Product Safety Commission (CPSC) for tips on safe power tool operation in the home workshop.

Learn more: Reciprocating saw

Frequently Asked Questions

Q: What DeWalt circular saw models is this edge guide compatible with?

A: This circular saw edge guide (Part No. 381091-00) is compatible with DeWalt models including DC390K, DW936, DC300, DC310, DCS391B, DCS393, DC390B, and DW936 Type 2. Always confirm your saw's bar diameter (9mm or 11mm) before purchasing to ensure a proper fit.

Q: What is the difference between the 9mm and 11mm guide options?

A: The 9mm and 11mm measurements refer to the diameter of the guide bar rod that slots into your circular saw. Different DeWalt models use different bar diameters, so it's important to check your tool's specifications or original part dimensions before selecting your size.

Q: Is this edge guide easy to install?

A: Yes — this replacement edge guide is designed for straightforward, tool-free installation. Simply remove your old or worn guide and slide the new one into place. No drilling, cutting, or modification is required, making it a quick swap that gets you back to work fast.

Q: How does the scale on the edge guide work?

A: The integrated scale printed on the guide allows you to set a precise, repeatable cutting width relative to your material's edge. Slide the guide to your desired measurement, lock it in place, and run your saw along the edge for a straight, accurate cut every time.