Waving cutting edge (pinking). Two different wave length. Material of blades are high carbon steel SKS7 punched and hardness is up to RC 57 degree.
Dafa Blades Titanium 45mm - fits All 45mm Rotary Cutter
45mm Rotary Cutter Fabric Paper Card c/w Comfort Grip Cutter Guard & Safety Lock
Kearing 45mm Rotary Cutter Precision Fabric Craft Tool M1991
Genuine Olfa 45mm Rotary Cutter Replacement Blades Tungsten Steel Pinking Wave
Kearing 45mm Rotary Cutter Precision Fabric Craft Tool M1992
A4 Cutting Mat Self Healing + 45mm Rotary Cutter c/w Locking Guard & 6pc Blades