Security Level 1 (for shredding general internal documents):StripCut - 3/8'' Crosscut - between 3/8'' x 1-1/2'' and 3/8'' and 3-1/8''

Security Level 2 (for shredding sensitive internal documents): StripCut - 1/8''

Security Level 3 (for shredding confidential documents): Crosscut - 1/4'' x 1/8''

Security Level 4 (for shredding secret documents): Crosscut - 1/8" x 1 1/8"

High Security Level 5 (for shredding of extremely confidential documents): Crosscut - 1/16" x 5/8"

High Security Level 6 (Approved by the DOD for top secret shredding): Crosscut - 1/32 x 7/16"