Nickel Iron (80:20wt%) in cone shaped (refer to drawing)
Nickel Iron (80:20wt%) in cone shaped (refer to drawing);Nickel Iron (80:20wt%), 99.95%, dia (above) 22.7mm x dia (below) 18mm x height 9mm, Angle 15°;Nickel Iron (81:19wt%), 99.95%, 40mm dia. x 3.18mm thick
