Spyderco Atlantic Salt Knife is used by UK lifeboat crews.  Spyderco Pacific Salt Knife is issued to US Navy and Air Force Pilots. Spyderco Atlantic Salt Knife   is the non-rust version of the Spyderco Rescue 93 mm Knife C14  H1 steel used in Spyderco Salt Knives is a precipitation hardenend alloy with 0.1 % nitrogen instead of carbon. The edge holding abilities of H1 are comparable to premium carbon steels. Non-rust internal components are used in the Salt Series, including pocket clips made of titanium.     Pacific Salt Knife Review    Spyderco 2010 Catalogue

Spyderco Knives Remote Release Knife Spyderco C30SBK2 Knives £64.99	Spyderco Knives Rescue 93 Knife Spyderco C14 Knives £64.45
Spyderco Knives Atlantic Salt Knife Spyderco C89SYL Knives £78.45	Spyderco Knives Pacific Salt Knife Spyderco C91PBK Knives £71.45
Spyderco Knives Pacific Salt Knife Spyderco C91PYL Knives £71.45	Spyderco Knives Spyderhawk Salt Knife Spyderco C77 Knives £84.99
Spyderco Knives UK Penknife Lightweight FRN Rescue C94OR2 £42.99	Spyderco Knives UK Penknife Rescue Spyderco UKPK C94GSOR2 £95.99