Ball Bearing Knives - American Buffalo Knife & Tool
ABKT Ball Bearing Assisted Opener . The ABKT Ball Bearing Assisted Opener was designed to have minimal wear, precision fit, and is the optimal way for opening and closing a folding knife. Ball bearing pivot systems are a safer way to open knives than a spring assist. When there is a spring assist in your pocket, it is the same as having a cocked spring in your pocket.
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