TOUGHSYSTEM 2.0 22in. Small Tool Box wi/ TOUGHSYSTEM 2.0 24 in. Mobile Tool Box, 22 in. Medium Tool Box and Deep Tool Tray. Heavy-duty design is IP65 rated with 250 lbs. Modular design is backwards compatible with most TOUGHSYSTEM. DWST08120 – Compatible with TOUGHSYSTEM 2.0 modules. The TOUGHSYSTEM 2.0 22 in. Small Tool Box (DWST08165) has patented auto-connect side latches, allowing for 1 hand operation. It also has 2-piece metal wire front latches for added durability when securing tools inside of the box. This too lbox offers 20% more tool storage when used with DWST08300 and DWST08450 as part of a tower. It is IP65 rated for dust and water resistance and has a 110 lbs. The tool box contains 2 large organizer cups on the inside with removable dividers for optimal organization. The TOUGHSYSTEM 2.0 Tool Box is compatible with all TOUGHSYSTEM products. These tool boxes DWST08300 and DWST08450 (included) offers 20% more tool storage when used with DWST08165 and DWST08450 as part of a tower. Customize your tool storage with TOUGHSYSTEM 2.0 Deep Tool Tray DWST08120 (Included). It is designed to maximize storage space within TOUGHSYSTEM 2.0 tool boxes and provide customizable organization to fit jobsite needs. Features: No Additional Features. Holding Capacity cu in. Modular Storage Type: Small Box. Modular System Type: DEWALT ToughSystem. Tool Box Type: Modular Tool Box. Tool Storage Product Type: Modular System. Tools Product Type: Tool Storage. Maximum Handle Length in.