The OLFA® Ergonomic Rotary Cutter, 45mm is the most popular size and handle (Pacific Blue color). This ergonomic cutter features Ergonomically curved handle with anti-slip rubber grip reduces hand fatigue and stress and integrated grooves help prevent finger slippage. Dual action safety lock; cutter can go through multiple layers of fabric at once. Designed for both right and left handed use. Lifetime Guarantee Auto Retract Blade for safety. Comes with one45mm rotary blade;replacement blades available. Premium quality blade for superior sharpness and durability; cuts cloth, leather, paper, vinyl, film, wallpaper and more. Can also accept an Olfa 45mm pinking blade. Hang-hole for storage.