Their unique, patented triple-locking action design makes these locks nearly impossible to pick. Depending on size, 3, 4, and 5-pin models are available. Standard sizes available range from 7/16 to 2. Other features and options include:

• Choice of one and two flat models
• Choice of key-retaining or key-free
• May choose either 90 or 180 degree clockwise or counterclockwise rotation
• Choice of keyed different, keyed alike, or master keyed (4 or 5-pin models)