Sport Diver Magazine's 2011 Gear Buyer's Guide: SPYDERCO Jumpmaster SpyderEdge Dive Knife

Divers who like a fixed blade will appreciate the Jumpmaster’s 4.5-inch cutting surface, nearly all of it serrated. An aggressively textured handle provides a sure grip, and H1 stainless-steel construction makes this blade impervious to corrosion.
CONTACT spyderco.com