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Fulfilling the dreams of knife lovers everywhere, Kershaw created the See-Through Pivot (STP) Tool. The STP Tool is a handy, single-function tool geared specifically to fine tune the highly innovative pivot recently unveiled by famed knife designer RJ Martin. Incorporated into knives made by both Kershaw and Zero Tolerance, Martin’s oversized pivot features a hollow center that fans can actually look through to see the other side of their knives. Although the STP does not require adjustments, Kershaw committed to having a tool available for anyone who wanted to tweak his or her folder’s STP as neither a regular hex nor a torx tool could handle the task. The STP Tool is stainless steel with a titanium carbo-nitride coating guaranteeing its toughness, scratch resistance and durability. It can tighten or loosen the Martin STP by aligning its six machined pins with those on the STP. The pins are machined with the tool itself, making this indestructible gadget the stuff of dreams.
This tool is such a gigantic pain in the ass. It seems well built but the teeth should be longer and the magnets should be harder. Be very careful or youll scratch your pivot. Ask me how I know.
I modified mine. ground off the concave bottom and a little of the coating on the sides. I then epoxied each half of the stp tool into 2 old half inch sockets I never use (3/8 drive). works great for controlled torque on the pivot. Did not strip the stp when releasing the tension on the pivot the first time. Felt tight enough that it might have had locktite on the threads but I did not have to preheat the pivot bolt. I did not take the knife apart to check for locktite, it flips great with the right tension
If you have a vise and more than 2 brain cells this tool works just fine. Tape your blade, set the knife pivot on one side of this tool (oriented vertically in a vise), place the other side on top, stick a screwdriver through the hole to get the leverage you'll need, and twist. Don't attempt to use this completely by hand, it WILL be a nightmare of dexterity. But as I said, if you aren't at least as smart as the tool, you shouldn't be leaving poor reviews. It's not rocket science, it's using your brain. The magnet holds the TOOL together as intended. The pivot on a ZT 0609, at least, is hollow in the center: of course the magnet isn't going to help much. Works great, better pricing on Amazon than knife retailers, happy with my purchase. While I'm tempted to leave a 4/5 star review due to this tool not being included with the knifes it assists, the tool itself does exactly the job it's designed to. 5/5
Only fits a couple different knives, mainly purchased it for the ZT 0609 but it doesn’t fit very well even though it’s designed to. The machining is pretty bad and the loose tolerances mean it doesn’t seat very well into the holes on the pivot. It just doesn’t work very well. You will absolutely scratch up your knife using this. I’d recommend using a needle nose plier on each side of the pivot over this tool. It’s almost disposable because after one use it’s scratched up and bent. Cheap and not worth it.
I ordered this tool, only to find out that one side did not fully engage down into the pivot head. Upon close examination with jeweler's glasses, I found that all of the spines on one side of the tool were badly malformed from production. None were even close to round (they had a mashed oval shape), and they all had deformed heads, (mushroom shaped), as if they were double struck during insertion. It makes the tool useless.
Good fit/finish. Hard to use on tight pivots. Looking back, I would only buy it if you are buying the more expensive RJ Martin designed ZT knife. IMO. Not much reason to disassemble a $40 kershaw. If your flythrough has good blade centering, dont mess with it. Loosening the pivot will only screw it up.
This specific tool will only fix one Kershaw and one ZT knife only, huge waste of money if you don`t have those.
Doesn't even fit the zt 0609, one of the only things it's designed for.