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 to make precise cuts. This OLFA art knife is designed to fit perfectly in your hand for the best cutting experience. Thanks to the extra weight in the bottom and the anti-roll safety mechanism, you can finish your art project safely and smoothly. Package includes (2) Precision KB4-S , (1) Chisel KB4-F, and (1) Curved Carving Blade KB4-R.