K1008BL-P - The Kershaw Sea Hunter Dive (Blunt Tip) Knife. One of the best features of the Sea Hunter is it’s blunt tipped double edged blade. The blunt tip helps prevent any pricks or nicks when you use the knife underwater. Yet, the double edged blade provides additional utility. In addition, the blade features a partially serrated edge and a cord cutter. It’s made of 420J2 stainless steel.