メガネレンチ

め

が

ね

れ

ん

ち

Meanings

1

noun

box wrench; ring spanner

usually written using kana alone

A wrench with a closed, ring-shaped head that fits over nuts and bolts. Common in automotive and mechanical contexts.

メガネレンチ

kana-only spelling

Katakana spelling is standard; the word is usually written in kana.

眼鏡めがねレンチ

Kanji spelling exists but is less common; 眼鏡 means 'glasses', referring to the shape of the wrench head.

めがねレンチ

Hiragana spelling is also used.

スパナ
スパナ is an open-ended spanner (adjustable or fixed), while メガネレンチ has a closed ring head that grips more securely.
ソケットレンチ
ソケットレンチ uses interchangeable sockets, whereas メガネレンチ is a single-piece tool with a fixed ring opening.

Compound of 眼鏡 (megane, 'glasses') + レンチ (renchi, from English 'wrench'), named for the glasses-like shape of the ring head.