OLFA 60mm Rotary Cutter Stainless Steel BladeSize: 45mm Both left or right handed. Made in Japan. The blade is safely designed to retract when not in use. Use cutting mats to protect the blade and cutting surface. Click here to check the cutting mat available Care Instructions: Replace the blade carefully once the fabric is no longer cutting in one motion. Warning: These blades are sharp and can be dangerous if misused. Always handle with care and use a safety lock when not in use.