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This type of Benchmade knife is made for military, law enforcement, and public safety workers. The last class is the Gold class, also known as the Collector class. This class of Benchmade knife is made for collectors and are limited edition. [12] Benchmade has a patent on the locking mechanism used in most of the switchblades they produce. [13]
An OTF Knife, also known as an out-the-front knife, sliding knife, telescoping knife, or angel blade, is a pocketknife with a blade that opens and closes through a hole in one end of the handle. This design contrasts with the majority of utility knives, which are either standard folding knives or are "fixed blade" sheath knives (having no ...
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OTF knife, or sliding knife, a type of pocketknife; OpenType, a standard for digital typography (file extension .otf) Optical transfer function, a metric for evaluating optical systems; Triflate, in organic chemistry, a functional group represented by the symbol -OTf; Off-the-film metering, in camera metering systems, a type of through-the-lens ...
When the knife is in the closed position, the blade is held in place by means of torsion springs and an additional blade lock (optional). As the user applies manual pressure to the thumbstud to open the knife, a mechanism such as a torsion spring moves along a track in the liner and rapidly rotates the blade into the open and locked position. [1]
Used by Hattori knives in their kitchen knives KD series. ZDP-189 is produced by Hitachi steel using the PM process. It contains 3% carbon and 20% chromium and contains tungsten and molybdenum. Used by several custom knife makers and factory makers including Spyderco and Kershaw in the limited run of the Ken Onion Shallot folders. The Henckels ...
The knives of collectors may be antiques or even marketed as collectible. Antiques are knives at least 100 years old; collectible knives are of a later vintage than antique, and may even be new. Collectors and dealers may use the word vintage to describe older collectibles.
A folding switchblade. A switchblade (also known as switch knife, automatic knife, pushbutton knife, ejector knife, flick knife, gravity knife, flick blade, or spring knife) is a pocketknife with a sliding or pivoting blade contained in the handle which is extended automatically by a spring when a button, lever, or switch on the handle or bolster is activated.