4 packs Lasered with our awesome designs! (3 pack is $15, discount will show up in the cart!) These are standard size utility blades to fit most items that take them! These are standard size,2 slot, 0.6mm thick "general purpose" blades made by Milwaukee, cleaned, laser engraved and oiled with Kroil brand oil. ***THESE ARE EXTREMELY SHARP! USE CAUTION WHEN USING!***