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The Starrett 380 Series Steel Straight Edge is precision ground and nicely finished to rigid Starrett standards. It is unexcelled for drawing or scribing straight lines and checking surfaces for straightness. Its thickness and design permit it to retain shape and accuracy, but still be portable and easy to handle. The 380 Series is not beveled or graduated. The 385 Series are beveled one edge, but not graduated. The 387 Series has one edge that is both beveled and graduated in 32nds of an inch. The 380 and 385 Series in sizes 36" and longer are marked with arrows at two suspension points. If the straight edges are brought to the work and used on edge, they should be suspended at these two points to minimize deflection. Most jobs involve the use of straight edges in the flat position - and it is in this position that we check most stringently. 72" (1800mm).
From the Manufacturer
The Starrett 380 Series Steel straight Edges are precision ground and nicely finished to rigid Starrett standards. They are unexcelled for drawing or scribing straight lines and checking surfaces for straightness. Their thickness and design permit them to retain shape and accuracy, but still be portable and easy to handle. They are not beveled or graduated
Samuel Livingstone
Reviewed in the United States on December 17, 2009
In October, 1007, I purchased the Starrette straignt edge for machenry alightment in a woodworking shop. I had an over 8 ft long jointer with difficulties getting straight flat boards. My other rules were too short to get accurate numbers. With the straightedge and feeler gauge I was able to correct the drooping infeed and outfeed tables with relationship to the spiral knives. Improved performace then was possible. Since then,I use the straight edge for flattening tablesaw extension and outfeed tables, planer setup of 4 foot bed and settling discussions. Very few people dispute Starrette. There is some overkill in accuracy but the satisfaction of using a good tool and solving one or more problems during setup is worth it when multiple adjustments are being made.
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