We named this knife after its principal job function, to assist.Ā The Spyderco Assist Black Blade is a lightweight folder for emergency fire/rescue professionals and the well-equipped citizen who rely on knives to be straightforward in use and perform flawlessly.Ā The blade is coated in non-reflective black carbon nitride with a patented lift-and-pry (blunt-nose) shape made from high-carbon VG-10 stainless steel and loaded with teeth.Ā Most of its 3-3/8 (86mm) cutting edge is serrated with the last inch at the tip left PlainEdged.