Bridge Cutters 3 Pack Blades - Replacement Fine Point Standard Cutting Blade 45 Degree Angle Type Compatible Cricut Air Explore Expression Mini Creation Cutting Scrapbook Craft Machines Replacement Craft Machine Blades 3-Pack 45 degree Angle Works in Bridge, Refine, Cricut, Cricut Explore, Cricut Air and Die Cut Machines Made in the USA Standard fine point angle blade 45 degree Last 3 times as long, made of carbide vs metal.