Puma Knives - SGB Bobcat 3516 Linerlock Knife with Checkered Black Composition Handles. Model: PU6503516. 4 1/2 closed linerlock. 3 3/8 black finish SGB 440A stainless Solingen German steel blade with dual thumb studs and extended tang. Checkered black composition handles with etched Puma SGB logo. Black finish brass inlay shield. Black finish stainless pocket clip.