Features: TOOL-FREE BOX MOUNTING - Transition from wall to Rolling Toolbox setup in seconds HEAVY-DUTY ALL-METAL CONNECTION - 70 lb. load capacity STACK PACK COMPATIBLE - For use with a wide range of STACK PACK items ATTACHMENT-READY - Compatible with STACK PACK Rack Rails (FS1604-2) COMPATIBLE WITH SELECT STACK PACK ITEMS - Including the STACK PACK Crate (FS1104), Medium Toolbox (FS1102), Drawers and Cabinet (FS1105, FS1106, FS1107) Details: Easily transition from the wall to your Rolling Toolbox setup with the STACK PACK™ Mounting Brackets, 4-Pack. The mounting brackets are built for durability and stability, featuring a heavy-duty all-metal connection with a 70-pound load capacity. The mounting brackets support mounting to STACK PACK™ Rolling Toolbox Mounts and Wall-Mount Rails (FS1504, FS1503-2, sold separately) for easy transitions between setups without tools. These mounting brackets are compatible with a wide range of STACK PACK™ items.