Built to withstand the punishment of travel and constant use and molded 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.Smooth rolling integrated wheelsExtendable handleDust and water resistantAir pressure compensation valveCustom designed tool-holding pallets with loops and pocketsGas assisted lid struts for easy openingDual-sided upper and mid level folding pallet wingsFront tool pallet that stores safely inside during transportNominal dimensions: 23.4" x 17.3" x 9.3" (59.5 cm x 44 cm x 23.5 cm) 21.6 lbs. (9.8 kg)