Ego 56-volt ST1500 trimmer bump head (AH1500/AH1501)

Ego 56-volt ST1500 trimmer bump head (Part No. for replacement head is AH1500). For the STA1500 Multi-Tool trimmer attachment, the bump head is: AH1501.

Why? Made this because I wore out two of them, and at $30 each, they are cost prohibitive. Other people have complained about the same issue (soft plastic, and thin design.

https://egopowerplus.com/15-inch-rapid-reload-replacement-string-trimmer-head/

Note: the AH1501 looks very similar, but the tab on the inside is off-set by 60 degr