Replacement 18mm, 8-point snap off blades for Heavy-Duty Utility Knife NSN 5110-01-621-5256. Blades measure .5mm x 18mm x 100mm .019" x .708" x 3.93". Ten blades per package.
The following commercial products are equivilent to AbilityOne® NSN 5110-01-621-8439. The federal government is prohibited from purchasing the below commercial products without a waiver approved by the AbilityOne Commission.