Six bumper colors for segmentation by department, etc. - Add Desired Color Suffix - RED, YLW, GRN, BLU, BLK, WHT. Ideal when locks may be subjected to physical abuse. Reinforced laminated steel construction. 1400 key changes available. Lock Type: Key; Opening Type: Cylindrical Shackle; Body Material: Laminated Steel; Color(s): Steel/Red.