Question Is this good stavol or stabilizer?

[Wowo95]

Guys i have this stabilizer, Matsuviva SVC-500N like 10 years ago, is this good for my PC?
Because electricity in my country not stable so i need stabilizer

My spec :
R5 1600
Asus B350-F Strix
MSI Gtx 1660 Ventus
Ram 16 GB
Be Quiet 500w, system 8

 

[helpstar]

looks fine to me