Keep your 3-liter PDC cleaner bottles mounted and locked away for safety and security with Boardwalk locking rack storage system. The strong and durable, black wire frame rack holds three, 3-liter bottles of PDC cleaner and includes a locking mechanism with keys included. The frame rack can be mounted directly onto a wall in the storage area or warehouse for convenient, out of the way storage. Series Name: Boardwalk PDC Cleaning System; Number of Shelves: 1; Shelf Type(s): Locking; Material(s): Wire.