JJ's Knife Kit Jameson Lockback Knife Kit 3 3/8in. Closed. This Pocket Knife from the professional knife makers at JJ's Knife Kit has been built with ridiculously strong blade steels and construction to provide you with a knife that will retain it's edge for much longer periods of time over blades made using lesser quality materials. For a great way to make sure you are cutting with the blade for all of your needs check out the JJ's Knife Kit Jameson Lockback Knife Kit. Specifications for JJ's Knife Kit Jameson Lockback Knife Kit: Manufacturer: JJ's Knife Kit Closed Length: 3.375 in Serrated: Plain Knife Application: Folding Blade Handle Finish: American Hardwood Blade Finish: American Hardwood Quantity: 1 Package Contents: JJ's Knife Kit Jameson Lockback Knife Kit JJ's Knife Kit JJ4: Jameson Lockback Knife Kit 3 3/8in. Closed