Replacement Oil Tape Blade, Compatible with Manufacturer Model Number CN1291SF590N, Compatible with Grainger Part Number 4YRT1, Tip Style Swivel Snap, Liquids Measured Dark Liquids, Light Liquids, Blade Material Steel, System of Measurement SAE, Gauging Method Innage, Outage, Blade Length - SAE 33 ft, Blade Color Silver, Blade Type Single-Sided, Features Blade Style D1, Crescent Lufkin Gauging Tapes have Withstood the Test of Time and Proven why They are the Best in the Industry