Notched Replacement Blade for Ride-On Floor ScraperNotch blades can be used to remove materials such as VCT, Linoleum, glue, and a variety of coatings and other soft materials. Notch blades gives you more rigidity as you scrape, which make them ideal for mainly VCT and Linoleum removal. Part # Description Standard 81-0052 4'' x 9'' x .074'' 81-0058 4'' x 13'' x .074'' 81-0064 4'' x 18'' x .074'' 81-0070 4'' x 26'' x .074'' Heavy 81-0055 4'' x 9'' x .092'' 81-0061 4'' x 13'' x .092'' 81-0073 4'' x 26'' x .092'' 81-0081 6'' x 26'' x .092'' Super-Duty 81-0083 4.5'' x 10'' x .125'' 81-0085 4.5'' x 26'' x .125'' 81-0087 4.5'' x 13'' x .125''