Amazon.com: OEMTOOLS 25355 24" Straight Edge Steel Precision Ground Machined Straight Edge, Use with Feeler Gauges for Accurate Automotive Repairs, Checks Cylinder Heads and Engine Blocks, Made in The USA : Automotive
Amazon.com: 38" Anodized Aluminum Straight Edge Guaranteed Straight to Within .003" Over Full 38" Length 108511 : Industrial & Scientific