This trial pack contains a fret of 8 ACN/3 delayed action autocouplings and mounting plates for use in 2mm scale. They have also been successfully used on 009 stock. Also included are 25cm of BW brass wire, 10cm of SIW4 soft iron wire, and a 2MAG permanent magnet. A larger starter pack (S/ACN/3) is also available, with 40 couplings and mounting plates, wires and six permanent magnets.
The couplings are etched in 0.012″ brass. Each coupling is 16½mm long and 5½mm wide; the mounting plates are 4 x 12mm. The magnet is 14mm long, 10mm wide and 4mm deep.