Description
Product Overview
The Peachtree Aluminum Straight Edge is engineered for professionals who demand uncompromising flatness verification. Constructed from high‑grade aluminum, the 3/8‑inch thick bar resists warping and delivers consistent results across a range of materials, from hardwood countertops to steel plates. Measuring 8 × 1 × 0.01 inches and weighing 2.35 lb, it offers a substantial feel without being cumbersome. The model 3442, first released in September 2018, carries a reputation for durability and precision, reflected in its 4.6‑star rating from over 140 customers.
Usage
Designed for workshop benches, job‑site tables and even wet stone surfaces, this straight edge excels wherever a true reference plane is required. Use it to inspect jointers, planers, and CNC tables, or to verify the evenness of kitchen countertops before installation. The wide, stable base allows the edge to stand upright, freeing both hands for adjustments, measurements, or tool handling. Ideal for woodworkers, metal fabricators, stone installers and quality‑control technicians, it streamlines the process of detecting gaps, twists or uneven feeds.

Why Choose Us
Peachtree’s commitment to precision manufacturing ensures each straight edge meets tight tolerances, guaranteeing repeatable accuracy. The aluminum alloy resists corrosion, making it suitable for both dry and wet environments. Our rigorous quality checks and responsive customer support back every purchase, and the product’s strong best‑seller rank in the Industrial & Scientific category underscores its reliability among professionals.
Key Features
- High‑grade aluminum construction for rigidity and corrosion resistance
- 3/8 inch thickness provides a stable, true reference plane
- Wide base allows hands‑free standing for efficient workflow
- Precision‑machined tolerances ensure accurate flatness detection
- Versatile use on wood, metal, stone and composite surfaces
FAQ
Can this straight edge be used on wet stone surfaces?
Yes, the aluminum alloy resists corrosion, making it safe for wet stone applications and allowing you to check flatness without damaging the tool.
What is the maximum length of material I can check with this edge?
The 8‑inch length is ideal for most tabletop and countertop checks; for longer spans, you can place the edge at multiple points to verify continuity.
How do I maintain the straight edge for long‑term accuracy?
Wipe the surface with a clean, dry cloth after use and store it in a dry environment. Avoid dropping it, as impacts can affect the calibrated tolerances.
Is the edge suitable for metalworking inspections?
Absolutely. Its rigid aluminum body and precise flatness make it an excellent reference for checking machine tables, weld seams and sheet metal flatness.
What warranty does Peachtree offer?
Peachtree provides a one‑year limited warranty covering manufacturing defects, ensuring you receive a reliable tool for your professional needs.




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