10 ultra sharp heavy-duty blades in a plastic case. Blister packed.
18mm Excel Heavy-Duty Black Snap-off Blades.
8-segment 18mm snap-off Olfa blade.
 
The compatible cutter MXP-AL can be purchased here.
 
Made from high-quality carbon tool steel, Excel Black ultra sharp blades are manufactured using a special double honing process. Sharpened over a wider angle, they are much, much sharper than other blades on the market

Micro-honed blade provides superior initial sharpness and edge retention
The exact 59 degree front-edge angle optimizes cutting power and minimizes blade breakage