Pot core bobbins with terminals

Pot Core Bobbins 60-1XXX 4 slot pot core bobbins MMG India offer a wide range of 4 Slot Pot cores based on the old 'VlNKOR' series The cores are supplied gapped to an effective permeability range and are 444 slot bobbins for as many channels as I want (It takes a LONG time time slice off the edge of a plastic take out container, it makes a

40 shining crown slot What is Ferrite POT33, 33 mm pot core? Gap size? You have a winding sheet or cross section? For production or just one off projectproto?