Minimum quantity for "Lock nut M25X1.5 black" is 4.
Minimum quantity for "Lock nut M16X1.5 black" is 4.
Minimum quantity for "Piezoelectric buzzer" is 3.
Minimum quantity for "7-segment LED display red TDSO5160-M" is 3.
Minimum quantity for "4-way floor dip switch" is 2.