What type of Door Handle will Break Apart?

We have seen Zinc Diecast as the most oftenly break. Followed by Zinc Alloy.
The above photo is a Zinc Diecast. It is installed at a Metal Door. Aged at 4 years.

We changed to a fully stainless steel handle for him. Definitely won’t break.

Advise from Locksmith,
www.finelockshop.com/blog