Features: * Instantly resettable to open at any personally programmed 4-digit combination
* 10,000 possible settings
* Exclusive positive action change key permits quick, easy resetting, whenever the owner chooses
* Once shackle is closed, automatic tamper guard of hardened steel blocks keyway, and protects against tampering
* Makes it easy for owners to give employees or friends temporary access, and then restore private control in seconds by simply changing combinations
* Multiple padlock users also can set whole groups of locks "combination-alike" for added convenience
* For easy remembering, program a familiar number with four digits of phone number, address, etc.
* Features corrosion-resistant solid brass case and 5/16" thick nickel-plated case hardened steel ...