Cutter Olfa L1-18mm : Cutter for big jobs, robust and powerful with a steel blade guide. ABS handle 100% recycled. Blocking the blade by wheel. Length 147mm. Blade 18mm. Yoshio Okada, founder of Olfa Corporation based in Osaka, Japan, is the inventor of the cutter. It is with the denominated "Snap-Off" that this invention of 1956 will spread worldwide. It will become the standard cutters. What also makes Olfa a recognized brand is the superior quality of its blades. This know-how of artisanal and technical blades dates from several century in Japan. Olfa uses the best quality steel is used, adjustment of hardness, sharpness of angles, conical dimensions, grinding speed, etc. Here is what brings an Olfa blade.