Petrified Fish Trilobite Button Lock Blue. 16cm) closed. 3" (7.62cm) stonewash finish 14C28N Sandvik stainless reverse tanto blade. Blue G10 handle. Extended tang. Thumb pull. Lanyard hole. Pocket clip. Boxed. Specifications for Petrified Fish Trilobite Button Lock Blue: Manufacturer: Petrified Fish Blade Length: 7.62 cm 3 in Closed Length: 10.2 in 4 in Package Contents: Petrified Fish Trilobite Button Lock Blue