Compared across 2 stores. Prices are checked against each store and labelled with when. Store links may earn us a commission. Price via Klarna.
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The Kershaw Secret Agent 4007 is a small fixed-blade boot knife built for discreet carry and personal protection. Its single-edged spear point blade has a non-reflective black-oxide finish, and the glass-filled nylon handle carries a textured rubber overmold for grip. The dual-carry sheath works on a belt or with a leg strap, which puts it ahead of many budget fixed blades that ship with a plain pouch. Owners treat it as a light, affordable backup blade rather than a hard-use field knife, and the steel is a step below the premium alloys on pricier tactical fixed blades.
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Store links may earn us a commission. Some prices via Klarna.
Lowest price we've seen: $30.38 on Nov 8 at JB Tools. Tracked across 2 stores since Nov 8.
Owners describe the Secret Agent as a light, slim fixed blade that disappears under clothing and handles light cutting well. Many praise the grip texture and the dual-carry sheath. Others note the steel needs attention and the handle is small for bigger hands.
The Kershaw Secret Agent 4007 is a fixed blade boot knife with a single-edged spear point blade. It is an updated version of the Secret Agent model, with a slim, concealable design.
The blade is 8Cr13MoV stainless steel with a non-reflective black-oxide finish. It is heat treated to Kershaw's specifications to improve the steel's performance. The handle is glass-filled nylon with a textured rubber overmold for a secure grip.
The knife is ambidextrous. It comes with a molded nylon sheath that has a belt clip and slots for a leg carry strap, so it can be carried two ways.
