Meet the FLEX FX2131A-Z 6-1/2" In-Line Circular Saw (Tool Only)—a balance-forward, visibility-first power tool built for pros and serious DIYers who want clean, precise cuts without the fuss of a bulky saw. This in-line design keeps weight where it matters and gives you a clear view on both sides of every cut.

Key Features & Design

• WORLD'S FIRST IN-LINE CIRCULAR SAW Provides superior balance, clear visibility on each side of the blade, and control for a more accurate cut.
• 6-1/2" Saw Blade 165 mm blade for efficient routing of lumber with fewer passes.
• LED Light Illuminates the workpiece for superior precision and accuracy.
• FLEX Advantage 24V lithium power, extended runtime, and fast-charging (battery and charger sold separately).
• SENSOR-FREE™ BRUSHLESS MOTOR Intelligent, durable motor design that delivers more power by moving sensors away from the motor.
• Bevel Capacity 0–47°, offering versatile cutting angles for framing, decking, and more.
• Maximum Cutting Depth Cuts 3x lumber in one pass (2-9/16" depth of cut).
• Exceptional Runtime Up to 430 cuts in 2x4 lumber with a 5.0Ah battery.
• Cross-Compatibility FLEX 24V batteries, chargers, and tools work together for a flexible, scalable system.
• End-to-End Warranty Protected by a 5-year warranty. End-to-end 5 YEAR WARRANTY—register for full coverage on FLEX 24V tools, batteries, and chargers.

Key Specs

• LED Light: Illuminates dark work areas
• Saw Blade: 6-1/2 in, 165 mm
• No-Load Speed: 5,500 RPM
• Bevel Capacity: 0-47°
• Arbor: 5/8 in, 16 mm
• Cut Capacity at 90°: 2-9/16 in, 65 mm
• Cut Capacity at 45°: 1-9/16 in, 40 mm
• Tool Weight (without battery): 7.1 lbs, 3.2 kg