These three knife lines have been designed to give you a choice between conventional opening or super-fast assisted opening, employing our patented OutBurst assisted opening mechanism (U.S. Patent No. 6,834,432). We call it OutBurst because the assisted opening mechanism helps the knife burst open for use. You initiate opening using the thumb stud or disk, and after 30 degrees, OutBurst takes over, giving instant lockup. The OutBurst spring is held in place by a single set screw which allows you to remove or replace the spring in minutes. It gives a new level of choice in folding knives.
Initially introduced as the OptiFast line, the name was changed to OutBurst to better describe the instant opening action and to avoid confusion with other products on the market.
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