Olfa 17.5x72 mm trapezoidal blade

· 17.5mm trapezoidal blade.
· For cutters: SK-3, SK-4, SK-5, SK-9, UTC-1
· Made with superior quality steel.

All Olfa blades undergo a process of fine-tuning their hardness, sharpening angles, dimensions, and other conditions to achieve the best balance between initial sharpness and long life.