[High quality products]: ER32 collet nut wrench is made of high quality materials, strong and durable and long service life. [Use of ER wrench]: Tighten , grasp the end of the key with your hand, then tighten it clockwise. Release and twist counterclockwise. [Ergonomic Design]: The handle adopts ergonomic design, which can hold the wrench firmly, save effort during use, and improve work efficiency.< /p> [Scope of application]: ER32UM nut wrench is easy to use and suitable for removing ER32UM rod and extension rod nut. [Scope of application] application]: ER32UM nut wrench is easy to use and suitable for removing ER32UM rod and extension rod nut.