Best Straight Edges of 2025

The OEMTOOLS Straight Edge is a precision metal tool designed for accurate automotive engine repairs. With its precision ground edge, this 2' straight edge allows you to use feeler gauges to measure heads, blocks, and flywheels for distortion. It is a versatile tool that can be used to inspect engine blocks, cylinder heads, flywheels, main bearing saddles, cam bearing saddles, cam covers, bell housings, and more. The unparalleled accuracy of this straight edge eliminates the imprecision of visually inspecting for flaws and warpage. Crafted in the USA with durable cold rolled steel and a rust-resistant black powder coat finish, this straight edge is built to last. It also comes with a reusable protective edge and a convenient hang hole for easy storage. Upgrade your automotive repair toolkit with the OEMTOOLS Straight Edge for precise and efficient engine inspections.

The Fulton 24 Inch Aluminum Straight Edge Bar is a lightweight and easy-to-use tool that accurately checks for flatness on metal surface tops, wet stones, jointers, planers, power tools, general machinery, table tops, counter tops, and more. It has an accuracy of exacting tolerances and measures 3/8” thick by 1¾” tall which is just the right size to stand upright unsupported. It is perfect for woodworkers, metal workers, and hobbyists who need a flat work surface for their projects.

The Anodized Aluminum Straight Edge Bars are lightweight and easy to use, perfect for checking wet stones, jointers, planers, power tools, general machinery, table tops, counter tops and more for flatness. The bars measure 3/8” thick by 1¾” tall which is just the right size to stand upright unsupported, freeing up both hands to make adjustments to your tools or table tops. Available in 24, 38, and 50 inch lengths with varying degrees of accuracy tolerance.

The Bon Tool 24-121 Screed is a reinforced aluminum straight edge that measures 3/4" x 4" x 8'. It comes with end caps that prevent mud buildup. This screed should not be used near electrical power lines or sources.

The Taytools Straight Edge is an economical alternative to pricier options on the market. Made from extruded aircraft aluminum, this straight edge is perfect for determining machine table flatness and setting up jointers, planers, and out feed tables. The reference edge is machined flat to within 0.003" over the entire 50-inch length, ensuring accuracy in your measurements. With an easy-grip cross section that is 7/16 inch thick and 1-3/4 inch wide, this straight edge provides a comfortable and secure hold. The black anodized finish adds durability, and the hanging hole in one end allows for easy storage. Available in five different lengths, the Taytools Straight Edge is a versatile tool for any woodworking or metalworking project.

The Fulton Aluminum straight edge is a lightweight and easy-to-use tool that helps you to check for flatness accurately to exacting tolerances. It measures 3/8” thick by 1¾” tall so it can stand upright unsupported, freeing up both hands to make adjustments to your tools or table tops. It works exceptionally well where there is a seam to ensure both sides are even, and is perfect for checking wet stones, jointers, planers, power tools, general machinery, table tops, counter tops and more. Ideal for woodworkers, metal workers or hobbyists who need a flat work surface.

The Central Tools 6475 18" Precision Straight Edge is a high-quality, heat-treated steel tool designed to measure head, block, and flywheel straightness. It features an integrated hanging hole for easy storage and accessibility.

The Peachtree Straight Edge is an essential tool for anyone needing a flat work surface. Whether you're a woodworker or a metalworker, this lightweight straight edge helps you check for flatness with precision. You can easily identify any gaps or unevenness that may affect your work. With its accurate tolerances, it’s perfect for checking various surfaces like wet stones, planers, and machinery. Plus, the bars stand upright on their own, freeing your hands to make necessary adjustments. This convenience ensures your projects are executed smoothly and efficiently.

Introducing the Fulton Aluminum Straight Edge, the perfect tool for checking flatness and ensuring precision in your woodworking or metalworking projects. This lightweight and easy-to-use straight edge allows you to quickly and accurately assess the flatness of your work surface, preventing any gaps, pits, or undulations that may hinder your progress. With its exacting tolerances, this straight edge is ideal for checking wet stones, jointers, planers, power tools, general machinery, table tops, and counter tops. It even works well in situations where there is a seam to ensure both sides are perfectly even. The Fulton Aluminum Straight Edge measures 18 inches long and features a 3/8" thickness and 1¾" height, making it the perfect addition to any workshop where accuracy is essential.

The POWERTEC Straight Edges offer a practical solution for checking the flatness of various surfaces, including tables and engine blocks. With both a 24-inch and a 50-inch straight edge, you can easily align and tune up machines like jointers and planers. Their ergonomic, thick design features ribbed reinforcement for a comfortable grip, making your tasks easier and more efficient. The precision milled edges ensure accuracy, giving you confidence in your measurements. Plus, the lightweight aluminum construction provides durability and protection against wear, ensuring these tools will last for years to come.