The Armature with Manufacturer Part Number (MPN)2604010578 is a genuine Bosch spare part for a wide range of corded professional Bosch jigsaws, including :
GST 60 Series: GST 60 P, GST 60 PB, GST 60 PBE, GST 60 PAE
GST 85 Series: GST 85 P, GST 85 PE, GST 85 PBE
GST 80 & 2000 Series: GST 80 PBE, GST 2000