1. Introduction
The POWERTEC 72110 set includes two precision-machined straight edges, measuring 24 inches and 50 inches in length. These tools are designed for accurately detecting deviations in flatness and alignment across various surfaces and equipment in woodworking and other applications. Constructed from anodized aluminum, they offer durability and resistance to rust, while their ergonomic design allows for stable, hands-free operation.
Image 1.1: The POWERTEC 72110 set of 24-inch and 50-inch straight edges.
Key features include:
- Precision Accuracy: Machined to be accurate within 0.001" over 24" and 0.003" over 50".
- Durable Construction: Anodized aluminum build for long-term use without deterioration or rust.
- Ergonomic Design: Thick profile with ribbed reinforcement for easy gripping and self-supporting capability.
- Dual Measurement System: Features both metric (mm) and standard (inch) scales.
- Convenient Storage: Pre-drilled hole for easy hanging.
2. Setup
The POWERTEC 72110 straight edges require minimal setup. Upon receiving the product, follow these steps:
- Unpacking: Carefully remove the straight edges from their packaging. Inspect both the 24-inch and 50-inch tools for any signs of shipping damage.
- Initial Cleaning: Wipe down the straight edges with a clean, dry cloth to remove any dust or manufacturing residue. Avoid abrasive cleaners that could damage the anodized finish or precision edges.
- Storage Preparation: Identify the pre-drilled hole on one end of each straight edge. This is intended for convenient wall storage, helping to keep the tools organized and protected when not in use.
Image 2.1: Pre-installed hole for easy storage.
3. Operating Instructions
These straight edges are versatile tools for various precision tasks. Here are common applications:
3.1. Checking Surface Flatness
- Placement: Place the straight edge directly onto the surface you wish to inspect (e.g., workbench top, table saw bed, jointer tables). The wide base allows the tool to stand on its own, facilitating hands-free inspection.
- Inspection: Look for any gaps or light showing between the straight edge and the surface. Even small particles can create false readings. Move the straight edge across the surface in multiple directions (lengthwise, crosswise, diagonally) to identify high and low spots.
- Precision: The specified tolerances (0.001" over 24" and 0.003" over 50") ensure high accuracy for critical measurements.
Image 3.1: Wide base allows the straight edge to stand on its own for hands-free operation.
3.2. Using as a Guide
The straight edges can also serve as reliable guides for various woodworking machines:
- Table Saws: Use to verify the alignment of your table saw fence or blade.
- Router Tables: Ensure the router fence is perfectly straight and parallel to the miter slot.
- Jointers and Planers: Check the coplanar alignment of jointer tables or the flatness of planer beds.
- Drafting and Drawing: The straight edges can also be used for accurate line drawing or cutting with a utility knife.
Image 3.2: Applications of the straight edges on woodworking machinery and surfaces.
3.3. Measurement Scales
Each straight edge features dual-sided measurement scales, providing both standard (inches) and metric (millimeters) readings. This allows for quick reference and versatility in projects requiring different units of measure.
Image 3.3: Ergonomic design for easy gripping during use.
4. Maintenance
Proper maintenance ensures the longevity and accuracy of your POWERTEC straight edges.
- Cleaning: After each use, wipe the straight edges with a soft, dry cloth to remove any sawdust, debris, or oils. For stubborn grime, a mild, non-abrasive cleaner can be used, followed by thorough drying.
- Storage: Store the straight edges in a clean, dry environment. Utilize the pre-drilled hanging hole to store them vertically, preventing accidental bending or damage to the precision edges. Avoid storing them where they might be subjected to heavy objects or impacts.
- Inspection: Periodically inspect the edges for any nicks, dents, or signs of wear that could compromise their accuracy. While the anodized aluminum is durable, impacts can still cause damage.
Image 4.1: The anodized aluminum construction ensures long-term durability.
5. Troubleshooting
If you encounter issues with the accuracy or performance of your straight edges, consider the following:
- Perceived Inaccuracy: Ensure the surface being measured is clean and free of debris. Even small particles can create false readings. Verify that the straight edge itself is clean and undamaged.
- Handling: Always handle the straight edges with care. Dropping or impacting the tool can compromise its precision.
- Environmental Factors: Extreme temperature changes can cause slight expansion or contraction in metal tools. Allow the tool to accustom to the working environment before critical measurements.
6. Specifications
| Feature | Detail |
|---|---|
| Model Number | 72110 |
| Material | Anodized Aluminium |
| Lengths Included | 24 inches (approx. 61 cm), 50 inches |
| Accuracy (24") | Within 0.001" |
| Accuracy (50") | Within 0.003" |
| Measurement Scales | Dual-sided (Standard inches & Metric millimeters) |
| Color | Silver |
| Item Weight (Set) | 2 kg 340 g |
| UPC | 843441133957 |
Image 6.1: Precision tolerance for the 24-inch straight edge.
Image 6.2: Precision tolerance for the 50-inch straight edge.
7. Warranty and Support
POWERTEC products are manufactured to high standards. For specific warranty information regarding your 72110 Straight Edges, please refer to the documentation included with your purchase or visit the official POWERTEC website. For technical support, product inquiries, or assistance with any issues, please contact POWERTEC customer service through their official channels.
Manufacturer: POWERTEC
Website: www.powertecproducts.com





