This
listing is for one pair (two) of terminal block (Cinch, made in US), 4X screw & lok nut for
installation.
One
pair of terminal blocks are 24k gold plated (10 - 12 µm plating thickness) by
professional plating company in CA.
Original
terminals are tin plated steel Y-terminals and nickel plated steel screws. it will be
no problem on conductivity in new condition but tin and nickel plating were
degraded by age, possibly steel part of terminals will be exposed on speaker
wires.
It
will upgrade MC 30, MC 60 & MC2300 amplifiers.