Box-end wrench
01
ボックスエンドレンチ, 箱レンチ
a hand tool with a closed-looped, box-shaped end that fits snugly around the flats of nuts and bolts, providing a secure grip and allowing for the application of torque during tightening or loosening tasks
例
I used a box-end wrench to tighten the bolt on the car engine.
車のエンジンのボルトを締めるために箱型レンチを使いました。
