Composite Folding Rule

The Milwaukee 48-22-3801 Composite Folding Rule is a durable layout and measuring tool designed for construction, electrical, and general jobsite measuring tasks, especially where a rigid folding rule is preferred over a tape measure.

Key Features:

• 78" total length (folding rule style) for extended layout measurements
• Composite laminated fiberglass construction for durability and water resistance
• Heat-stamped markings that resist wear and abrasion
• Corrosion-free joints that lock at 0°, 90°, and 180°
• Built-in angle reference markings for conduit bending and layout work
• Clear 1/16" graduations for accurate measurements

Performance Highlights:

• More rigid and stable than a tape measure for transfer marking and layout work
• Designed to handle jobsite abuse, moisture, and repeated folding
• Angle markings help with electrical conduit bends and framing layout
• Easy to carry compared to a full rigid ruler due to folding design

Typical Uses:

• Electrical conduit layout and bending reference work
• Carpentry and framing layout measurements
• Transferring measurements between surfaces
• General construction marking and alignment
• Shop and field measuring where rigidity improves accuracy

Quick Takeaway:

This is a specialty layout ruler, not a replacement for a tape measure. It shines when you need straight, rigid measurement transfer and angle reference work, especially in electrical and framing trades.

Where it fits in your tool list:

• Complements your tape measures (30 ft / 25 ft models you listed earlier)
• Useful for precision layout work where tape sag would reduce accuracy
• Often used by electricians for conduit bending reference