The E-12 assembly is constructed from several parts from which the Face,movable is the most expensive.
This schematic depicts all components used in the Cn250 Fusion 2003 (3) Japan Mf02-200 E-12 partslist.
A sample from the products for the E-12 include: Nut,hex,14mm, Boss,drive Face, Piece,slide Set, Bolt,flange 4x10.