Features:

• 4-Edge blade is high carbon steel, industrial ground, easy to re-sharpen as needed, and replace
  
• 3 edges are straight; 1 edge is corrugated for rough scraping
  
• Three smooth edges for finish scraping; One corrugated edge for rough scraping
  
• Use # 820 blade file to sharpen straight blades
  
• Use with scraper #’s 708 & 731

Details:

Our company began in 1927. Our tools are made to last by a skilled team of hard-working men and women who take pride in building quality into every product - Made in the USA