I use two of these to lock a cable in the back of my pickup to secure ladders and tools. I reach over the bed of the truck one handed where I can't see the lock, yet I can open it in less than 5 seconds. One of my applications is in a dark room, same results. This lock would be great for a blind person, I know because my eyes struggle to see multiple digit combo locks or key slots. It is not rated for use in the weather but I haven't experienced any related trouble yet. I have six of these and I am very happy with them. PS the combination is unlimited in length no other lock that I'm aware of has so many combination possibilities. Way to go Master Lock."..." Read more
- Scott in Denver Colorado