Features Premium Material: The clamping nut wrench is made of high quality material, durable and easy to use. Convenient to Operate: The wrench is a good helper for you and it is convenient to operate. Energy Saving: The handle is designed to hold the wrench tightly and saves effort during use. Scope of Application: The clamping nut wrench is suitable for removing ER32UM type shank, extension rod nut. Professional Made: The wrench is compliant with standards, produced in accordance with standards Specification: Model: ER32UM Use of the ER wrench: tighten it, hold the end of the wrench with your hand, and tighten it clockwise. Loosen and turn counterclockwise. Weight: Approx. 363g / 12.8oz   Package List: 1 * Clamping Nut Wrench Package List