The heavy-duty, indestructible roto mold design of the Gator G-112-ROTO Combo Amp Transporter case has an adjustable frame height that expands from 16 to 21 inches to fit most popular combo amp sizes. Heavy-duty 2.5" swivel casters and two wrap around straps with clips assures the secure and easy transport of your amp. You can safely position your amp on top of the case while in use and use it as a stand. ,Amp case fits most popular combo amp sizes, Indestructible roto mold design, Amp sits secu