Set di strumenti di misura passo filo metrico e britannico professionali 2 pezzi

A pitch piece used to test the pitch of a thread. When in use, press the tooth gauge at the gap to rotate out, easy and convenient. Using rotary switch, can be freely adjusted. The real color of the item may be slightly different from the pictures shown on website caused by many factors such as brightness of your monitor and light brightness.

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