The 4 most commonly used square sizes (2″, 3″, 4″ and 6″).

(Blade length measured from inner edge of stock to blade tip.)
  • Blade length: 2″ (50MM)   Stock length: 1.5″
  • Blade length: 3″ (75MM)   Stock length: 2.5″
  • Blade length: 4″ (100MM) Stock length: 3″
  • Blade length: 6″ (150MM) Stock length: 4″