主要用于 10.9 級高強螺栓。
It is mainly used for 10.9 grade high strength bolts.
自動快速回程機構設計,大大減輕勞動強度。
The design of automatic quick return mechanism greatly reduces labor intensity.
超行程紅色警戒指示線,三級安全保護,確保操作者安
全。
Super stroke red warning line, three level safety protection to ensure operator safety