All Blades are unpinned and 5" long.
Scroll Blades (Shown on the left) are recommended for cutting thicker and harder material.
Spiral Blades (Shown 2nd from the left) blades are twisted so teeth point outward in every direction. A 360° capacity allows cutting in any direction without turning your work.
Reverse Blades(Shown 2nd from right) Teeth are pointed in both directions to give splinter free cutting on the top and bottom.
12 blades per package.