Key Features: Built to withstand the punishment of travel and constant use and moulded from impact resistant polypropylene, the BX-3 features pallets with 70% more surface area than the BX-2.2,Easily transportable with the integrated wheels and extendable handle, this case was designed with the help of some of the world\'s best mechanics for optimal form, function and longevity,Custom designed tool-holding pallets with loops and pockets,Folding, dual-sided pallet wings,Front tool pallet that stores securely inside during transport,Key lock,Dent-proof composite shell built around an aluminum frame.