JJ's Knife Kit Jameson Trapper Knife Kit 3.5in. Closed. Builders take this kit to the next level with their own laser cutter or CNC machine. Once a folder blank this kit allows for further customization with an array of accoutrements. For instance the Jameson Trapper could have an aluminum handle or an all-nickel handle (which is what our other kits have). You could also use this kit to make a fixed blade knife or a knife that pops apart to make a spear or you could use it to pop corn kernels out of the ground. Specifications for JJ's Knife Kit Jameson Trapper Knife Kit: Manufacturer: JJ's Knife Kit Closed Length: 3.5 in Serrated: Plain Knife Application: Folding Blade Handle Finish: American Hardwood Blade Finish: American Hardwood Quantity: 1 Package Contents: JJ's Knife Kit Jameson Trapper Knife Kit JJ's Knife Kit JJ2: Jameson Trapper Knife Kit 3.5in. Closed