IRWIN Self Retractable Knife

Spring-return shuttle retracts the blade at the end of a cutting action to minimise risk of injury. Multi-functional design with two blade settings for normal use and as a box cutter. Cross-nose design eliminates nose splitting. Safer to work with using captive inner components and magnetic blade retention. No-tools-access to spare blades with a bale screw. Internal blade storage for up to five blades. Bi-Metal safety blade that last up to three times longer