Used on the following models:

Weider
Pro 3550 - WESY38320
Pro 3550 - WESY38321
Pro 3550 - WESY38322
Pro 3650 - WESY39520
Pro 3650 - WESY39521
Pro 3650 - WESY39522
Pro 4850 - 831.153930
Pro 4850 - 831.153931
Pro 4850 - 831.153933
Pro 4850 - WECCSY48530