The Merrow Ziggurat Sewing table is an industrial design that works well in many different sewing environments. It is a 'stand-up' table and fits Merrow sewing machines. Merrow can modfiy it to fit other brands.
A-90-3 Upper Cutter - Wide, Serrated, used on 70-Class Machines. Commonly paired with a 6-91-E or 6-91-K Merrow Lower Cutter. Other codes for the a-90-3 are a903 or 76794336.
Merrow #105 Upper Looper (blind) is paired with the #72 Lower Looper is used on the 70-Class Machines. Other codes for the #105 are 3105 or 76791135. See Machine Tools for 30-10 Looper Bender needed to adjust looper.