LockpickingDev finally picks ASSA 700, teardown video coming next day

An ASSA 700 pick is the kind of open that still buys instant credibility in locksport. Seven pin stacks, security pins, and the kind of feedback that can punish sloppy tension make it a serious benchmark, which is why LockpickingDev’s announcement landed hard: he finally picked one on video, and the teardown is due the next day.

His YouTube community post kept it blunt: “Assa 700 gutted. Finally picked it on video - up tomorrow #locksport.” That matters because LockpickingDev is not running a casual gadget channel. His profile describes him as a lockpicking teacher, a 10-year lockpicker, and a custom lockpick maker, and his channel shows 2.55K subscribers and 414 videos. That is the sort of setup where viewers expect more than a quick open. They expect a clean gut, a look at the core, and a practical breakdown of what the lock was doing under tension.

The ASSA 700 itself explains why the result carries weight. Lockwiki describes it as a series of pin-tumbler cylinders with seven pin stacks and security pins, with production beginning in 1948. The line has shown up in mortise, rim, Scandinavian, and specialized padlock housings, and some cylinders carry the SCD stamp for Security Cylinder Drillproof. ASSA’s own history says the company began manufacturing 7-pin cylinders in 1947 and was the first in the world to do so, so this is not some new challenge-piece with hype attached. It is a long-running high-security platform with real pedigree.

The belt ranking only sharpens the point. The LPU Belt Explorer lists a featured ASSA 700 variant as Black 1 and notes gin spool drivers, tapered drivers, undercut milling, and tree drivers. It also maintains a ranked catalog of nearly 900 locks, which puts the 700 in the company it belongs in: the upper end of the ladder, where a successful pick is less about bragging rights than about reading a cylinder correctly. LockFumbler made the same point in 2023, calling an ASSA 700 very tough to pick and saying it was the first lock he had managed at that level.

That is what makes the next video worth watching. The open is already a statement, but the real value will be in the teardown, the false-set behavior, and whether LockpickingDev turns a flex into a lesson that serious pickers can actually use.