Marbles Jet Pilots Knife 13.25in.. Specifications for Marbles Jet Pilots Knife: Manufacturer: Marbles Blade Length: 7.75 in Blade Material: Steel Serrated: Plain Knife Application: Fixed Blade Overall Length: 13.25 in Included Accessories: Leather Sheath Handle Finish: Leather Blade Finish: Black Sheath Material: Leather Quantity: 1 Length: 13.25 in Package Contents: Marbles Jet Pilots Knife Marbles MR246: Jet Pilots Knife 13.25in.