The ZERO TOLERANCE’s 0300ST is an American-made combat folding knife.


The Zero Tolerance line of performance-driven, duty-ready knives is designed for military, law enforcement, fire and rescue, response teams, and EMS professionals who require the very best from their equipment. The new, all-black ZT 0300ST is among the newest models to join this mission-ready line of made-in-the-USA knives.

The partially serrated 0300ST combat folder is equipped with SpeedSafe® manual assisted opening for easy, one-handed blade deployment. Just push on the ambidextrous thumb stud or pull back on the blade protrusion. With SpeedSafe®, the 0300ST is always ready to go to work as quickly as it needs to be— even with combat gloves on.

The ZT 0300ST features a S30V stainless-steel blade with matte-black Tungsten DLC (Diamond Like Carbon) coating. The S30V provides extreme durability as well as wear and corrosion resistance. The Tungsten DLC coating enhances hardness and reduces friction drag. Partial serration on the 0300ST’s blade adds sawing power to the package.

For extreme mechanical strength and a secure grip, the high performance blade is paired with 3-D machined scales of super-strong, black G-10 and titanium. A titanium frame lock keeps the blade secure. Field adjustments can be made quickly and easily using the hex head pivot shaft nut.

The 0300ST features a 3¾-inch blade, measures 5 ¼ inches closed, and weighs 8 ounces. The manufacturer’s suggested retail price is $295.

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