The American Lock No. A400K Combination Padlock features a stainless steel outer case and a 3/4in (19mm) tall, 9/32in (7mm) diameter hardened, boron alloy steel shackle with bright nickel plating. 4-Pin cylinder key control allows supervisory access if needed. BlockGuard® Anti-Shim Technology withstands attempts to violate the latch mechanism and an automatic scrambler feature automatically moves the dial upon closing the shackle for extra security. Padlock comes with blue dial, but also available with black, red and green dial.
These locks are only available for purchase by Businesses, Educational Institutions/Schools, and Government Agencies.