All Types of Possibilities in One Knife: Anti-slip, cushion-grip handle. Quick-spin blade change. Anti-roll device for extra safety. Are you tired of constantly switching from craft knife to craft knife? With the OLFA AK-4 Cushion Grip Art Knife, all you have to do is switch between the different blades, which are designed for precision cutting. This OLFA art knife is designed to fit perfectly in your hand for the best cutting experience. The slightly weighted bottom provides for ideal balance and stability in your hand. In addition, all of these great features, including the anti-roll safety mechanism, will allow you to finish your art project safely and smoothly.