crimp connector

I am replacing kinked iron cable. Crimps joining power lead inside iron look like this. Anyone suggest where to get these or alternative?

Hello. I am in the process of replacing some of the wiring in my Samsung BF3ON3T11 oven. I thought it'd be very straightforward - note where everything goes, unplug each old connector and plug in each new one. But I've failed at the second hurdle. I unplugged the first crimp connector OK, but...