How to say “Turns out the screwdriver wasn't insulated at all — that yellow handle is just plastic.” in Japanese
In Japanese
そのドライバー、実は全然絶縁じゃなかったの。黄色い持ち手、ただのプラスチックだったんだよ。
Sono doraibā, jitsu wa zenzen zetsuen ja nakatta no. Kiiroi mochite, tada no purasuchikku datta n da yo.