Atlantic Salt™ Yellow FRN SpyderEdge climbing delta's X Mount Pro universally adapts 278678 delta's X Mount Pro universally adapts to all phones NRS' Iconic Blue straps also have the size woven into the webbing The molded FRN handle includes a shackle key and is available in black or bright yellow and features a reversible black coated titanium pocket clip for tip up carry on either the left or right side It's been speculated the sheepfoot shaped blade originated with mariners who found the rounded tip especially beneficial when the knife was accidentally dropped (think working on a ship in pitching seas) as it couldn't stab the foot when hitting the deck