This Nautilus model has G-10 clad blue aluminum handles and a satin trainer blade with unique cutouts. The Nautilus is the most innovative Squid Industries product yet, and is the first production balisong to feature a channel liner design with scale overlays. Squid Industries has created a butterfly trainer that is quickly taking the balisong community by a storm. This is one of the smoothest flipping trainers we have ever handled and it is certain to exceed all expectations. Every Squid Industries balisong is hand assembled and tested to ensure the highest levels of quality. The well-balanced design, solid build, and smooth flipping action make this a must have for any bali fan. Features: Channel Handle Design with G-10 FR4 fiberglass laminate overlays for increased grip and durability. G-10 handle scales that are subtly textured for a sure grip. Finely tuned bushing pivot system for nearly zero handle play and maximum smoothness Chamfered spine for enhanced comfort Tapered handles for more control Quiet tang pin system for nearly silent flipping