ToolUSA "mouse" Sized Pocket Knife With Extra Sharp Serrated Blade: PK-12295-Z04 Stainless steel blade is very sharp and reliable 4 inch extended knife can fold down to be pocket sized - only 0.06 ounces Serrated blade measures 1.5 inches - serrated blades make cutting easy Rubberized handle is comfortable to grip and is non-slip Easy to carry - key chain included or easily fits in a pocket