The Starrett 387-24 Steel Straight Edge is a premium precision tool engineered for critical industrial applications demanding exceptional linearity and accuracy. It is expertly designed to verify straightness, flatness, and parallelism across various surfaces, making it indispensable for precision layout, inspection, and machining operations.
Key Specifications and Features:
– Precision Accuracy: Engineered and precision ground to an exacting accuracy of +/- 0.0002 inches, ensuring highly reliable and repeatable measurements for the most demanding tasks.
– Robust Steel Construction: Manufactured from high-grade steel, this straight edge offers superior durability, dimensional stability, and resistance to wear, with a finely polished finish for enhanced corrosion protection.
– Beveled and Graduated Edge: Features a finely ground beveled edge for precise scribing and marking, complemented by clear 1/32 inch graduation marks along one edge for detailed measurement and layout tasks.
– Optimized Dimensions: Boasts an overall length of 24 inches (600mm) and a width of 1-13/32 inches (36mm), with a substantial thickness of 3/64 inches. This design ensures exceptional shape retention and accuracy while remaining portable and easy to handle.
– Magnetic Property: Inherently magnetic, offering versatility for specific applications involving ferrous materials or for convenient temporary positioning.

