Rather than spinning a dial with numbers, Master Lock’s Speed Dial combination lock uses up/down/left/right movements. In addition to the new code entry system they use an anti-shim technology and a hardened steel shackle to prevent circumventing the combination. The result is a lock that they claim is faster to open, easier to use, and more secure then a standard combination lock.
Is only having four possible choices instead of 40 for each move in the combination possibly be enough? In reality, on many dial combination locks you can be off by a number to the left or right, so instead of 40 possible choices you’re reduced to maybe 15. With three numbers in the combination that gives you 3,375 (15*15*15) possible combinations. To get the same level of security with this new Speed Dial Lock you’ll need at least six moves (4*4*4*4*4*4= 4,096).
With the new movement, they claim the lock can be opened one-handed and without looking at the lock. You can reset the combination to any number of movements and if you don’t like up/down/left/right you can optionally place other combination indicators over the arrows like number, letter, shapes, colors, or symbols.
Pricing for the Speed Dial combination lock starts at $10.