- Stainless steel box (AISI 304)
- Stainless steel cover and frame (AISI 316)
- CQ5: Stainless steel cylinder and keys (AISI 303)
- CQ5-P: Chrome-plated brass cylinder and keys
- EP27: Includes cylinder
- CQ5-KNOB: Chrome-plated brass knob
- Opening and locking with key or knob
