<p>Simple Combos&trade; are easy to dial and remember. 3-digit combinations use only the numbers printed on the dial (0, 5, 10, 15, 20, 25, 30, 35). Key control feature provides supervisory access.&nbsp;Other feature include: &bull; Combination chart to facilitate lock system administration &bull; 1-7/8" (48mm) wide double-reinforced stainless steel body withstands abuse &bull; 3/4" (19mm) tall, hardened steel shackle for extra cut resistance &bull; Easy 3-number dialing with automatic scrambling feature to prevent reopening of lock &bull; Patent Pending BlockGuard&reg; Anti-Shim Technology withstands attempts to violate the latch mechanism</p>