Travelpros crew 9 has long been the choice of flight crews and frequenttravelers. the 20-inch expandable business plus rollaboard is a leap forwardin innovation. lightweight durability and effortless mobility. featuring thepatent-pending powerscope extension handle that minimizes wobble when fullyextended. it also stops at 38 and 42.5 to ensure a comfortable roll forusers of different heights. strong enough to support a tote or case. thepowerscope handle has been tested over 15.000 cycles