Fiskars heavy-duty replacement #2 blades feature thick, premium steel with an angled, razor-sharp edge and piercing tip for precise cuts. Ideal for matte board, foam core, plastic, cardboard, wood and EVA foam, the blades are compatible with most heavy-duty detail knives.Details:1.88" x 0.4" (4.7cm x 1cm) blade size12 packs (5 blades per pack, 60 total blades)Razor-sharp blade edge and piercing tip for exact starts and stopsPackaging doubles as a blade case for safe, convenient storageIdeal for matte board, foam core, plastic, cardboard, wood and EVA foamUse with Fiskars Heavy-Duty Easy Change Detail Knife and most heavy-duty detail knivesPackaging doubles as a blade case for safe, convenient storage