Belt for washing machines: construction knetch, Whirlpool, Fire, Friac, ... This replacement belt is what transmits the movement from the motor to the drum of the device. It may break down due to continued use of the appliance or due to excess load.
References:
Correa: 1250J4
Ariston, Indes: C00311078
Whirlpool, Ignis: 481235818056