from site:
Shrouded Shackle Padlocks
Patent Pending Quick Change Shackle - Allows removal of shackle (when shackle is open and with the use of Hex wrench). 30 second change overtime, no need to dissemble lock to replace shackle. Reduces inventory and allows in-field change of shackles.
Patent Pending Quick Key Retention - Insertion of stainless steel pins converts Brinks cylinder to key retaining cylinder, where key retention of key is required in the open position. Does not require change of cylinder plug drive or retainer assembly. 2 minute change overtime. Cylinder can be changed from key retention back to a standard cylinder. Cost pennies as compared to competition. Reduces inventory cost.
Anti-Pick Pins - Bottom and top pins feature increase security level.
American and Master Key Ways - Brinks solid body locks utilize American 5 & 6 pin key ways. - Master key way also available.
Brinks Locks Accept All American Parts - Allows trade to use up existing parts in inventory. Removable, Replaceable and Repinnable Cylinder - Drilled 6 pin but can be keyed 5 or 6.
sounds fun

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