這個可以用。不算太貴。

https://www.amazon.com/F2C-Electric-Demolition-Concrete-Breaker/dp/B0718W1M14/ref=asc_df_B0718W1M14/?tag=hyprod-20&linkCode=df0&hvadid=310828259700&hvpos=&hvnetw=g&hvrand=5281447976623715083&hvpone=&hvptwo=&hvqmt=&hvdev=c&hvdvcmdl=&hvlocint=&hvlocphy=9016911&hvtargid=pla-568083986606&psc=1&tag=&ref=&adgrpid=65583250281&hvpone=&hvptwo=&hvadid=310828259700&hvpos=&hvnetw=g&hvrand=5281447976623715083&hvqmt=&hvdev=c&hvdvcmdl=&hvlocint=&hvlocphy=9016911&hvtargid=pla-568083986606