깔쭉톱니 송곳in English:ratchet drill

Examples
with 깔쭉톱니 송곳.

• 나는 깔쭉톱니 송곳으로 나무를 뚫었다.naneun kkaljjuktopni songgoteuro namureul tteureotda.I drilled the wood with a ratchet drill.