Concrete Test Hammer or SCHMIDT Test Hammer

Concrete Test Hammer ค้อนทดสอบคอนกรีตแบบไม่ทำลาย

[@ElleW72]

I agree - good method - just need the english version

[@chaiyun2009]

แจ๋วๆ

[@elidiodjakoro2866]

Thanks...what kind of hammer test is this?

[@pauladewi4242]

thank u for share..Gbu

[@elidiodjakoro2866]

Thanks