The OX 4 piece Knife set offers quick fold action, ultra sharp steel blades and a strong lightweight construction that makes cutting materials easy. Enjoy tool-free blade change with change blade button pointer that allows it to lock in four different positions and a blade storage compartment in its handle allows you to store up to x3 replaceable blades. It has a built-in notch for stripping wire and straps, lanyard eyelet for tethering and a sturdy belt hook on reverse. Its ergonomic handle comes with a notched thumb rest for an enhanced grip.