Atria GT Cutter Parts 1012046000 Shaft, Pulley, Adjust, Idler, Serpentine Product Overview The 1012046000 Shaft, Pulley, Adjust, Idler, Serpentine is a replacement mechanical component designed for the Atria GT Cutter . This part is associated with the pulley and idler mechanism of the machine and is intended for replacement and maintenance applications. It can be used when the original component becomes worn, damaged, or requires replacement during servicing of the Atria GT