Zechariah #8 (Chapter 5)
The symbolism of the עופרת - the lead is that lead is very heavy and covers over everything, symbolizing that the injustice with weights and measures was committed deceitfully. The sins Zechariah describes at the beginning of the Second Temple era are bein Adam leChavero. The destruction of the second Beit HaMikdash was ultimately brought about because of interpersonal sins.
Delivered at the OU Israel Center, June 3rd, 2019, 29 Iyyar 5779