Easily change blades without losing excess time with the Stanley InstantChange retractable knife. With a simple click of a button, you can switch out blades without needing any additional tools and get right back to working. The knife’s sturdy, durable construction delivers high endurance while its comfortable grip offers an optimized user experience. Built for long life with its hard-wearing build that combines a cast metal core with bi-material soft panels for a secure grip. Quick and easy blade change with tool-free, push-button functionality. Full control and balance with curved handle design and padded thumb rest for comfort. Convenient blade access with swing-out blade storage. High ease of use - integrated string cutter for use when blade is retracted with large hang hole for pegboard storage. Multi-function handle stores up to 10 blades.