Changing blades is a breeze with the INSTANTCHANGE 6-5/8 in. Utility Knife. Just press a button - no tools are needed. Plus its sturdy and ergonomic design ensures a comfortable grip and long-lasting durability. Strong, durable construction combines a cast metal core with bi-material soft panels for a sure grip. Tool-free push-button blade change. Curved handle design for comfort, control and balance. Swing-out blade storage for easy blade access. Integrated string cutter for use even when blade is retracted. Large hang hole for pegboard storage. Padded thumb rest for comfort. Stores up to 10 blades in handle. Stanley Curved quick-change utility knife features retractable blades and has swing-out blade storage for easy blade access.