Spyderco’s Slither FB39GP is a fixed blade designed by Stuart Ackerman. It has a satin CPM-20CV steel blade and black G-10 handle. It comes with a leather sheath for easy carry. Custom knife maker Stuart Ackerman specializes in extremely practical, incredibly
functional designs inspired by his own real-world experience as an avid outdoorsman and a
former infantryman in the Angolan Bush War. Based on his best-selling handmade ?Slither?
model, the Spyderco Sustain is a truly formidable fixed-blade knife that reflects the hard-won
insights of its designer. Sustain – Based on custom knife maker Stuart Ackerman’s best-selling “Slither” design, Spyderco’s Sustain is a truly formidable fixed-blade knife. Its broad blade is saber ground from premium CPM? 20CV-an advanced particle metallurgy stainless steel renowned for its edge-holding ability and extreme corrosion resistance. An unsharpened swedge on the back of the blade reduces weight and ensures an acute point, while a full tang guarantees optimal structural strength. Contoured, 3-D-machined G-10 handle scales are secured to the tang with concealed pins to offer a clean, extremely comfortable grip and include a generously sized lanyard hole. The Sustain comes complete with a handsome pouch-style leather sheath for convenient belt carry in the field.