These high-frequency drivers were stored in boxes as backup - or they may have been factory samples from the 1980s. One has notably more wear compared to the other which looks new - the first has solder on the terminals, perhaps was tested and operated in situ for a time.

The tweeter domes are approximately 1-1/4 inches in diameter. The frames overall are a bit over 4 inches wide; the hole spacing is about 85 mm across the axis. Each weighs about 1.15 lbs.

thank you for looking!