QUICK TRANSITIONS – Easily transition mounting setups to Rolling Tool Box HEAVY-DUTY ALL-METAL CONNECTION – 70 lb. load capacity, built for durability and stability STACK PACK™ COMPATIBLE – For use with a wide range of STACK PACK™ items ACCESSORY-READY – Compatible with the STACK PACK™ Cord Wrapper (FS1605) and Level Holder (FS1602) for added versatility EXTENDS CARRYING CAPABILITY – Mounts in front of Rolling Tool Box (FS1101) when used with Mounting Brackets (FS1505-4) COMPATIBLE WITH SELECT STACK PACK™ ITEMS – Including the STACK PACK™ Crate (FS1104), Medium Tool Box (FS1102), Drawers and Cabinet (FS1105, FS1106, FS1107)