Check the listing for details. SFX ER32UM Wrench ER-32 Spanner for Collet Chuck Lathe Clamping Nut CNC ER32. Color: Black, Condition: New. Listed at 45.00 USD. Company Strength More than 10 years manufacturer of CNC accessories Dedicated to the R＆D of tool holder pull studs, nuts, pull stud and nut wrench/spanner, lock tool holders etc. Products were distributed to more than 70 countries and regions worldwide Established 12 overseas warehouses with fast delivery Servicing more than 20,000.00 customers, highly praised and recognized Spanner AdvantagePatiented design to avoid skidding and accidents, and won’t damage the nutsHigh quality medium carbon steel, and the surface hardness is higher than nuts, reaching HRC58-62 to be durableBlackening the surface of the spanner and installing the rubber handle gives it a delicate appearance and a comfortable feelEach batch of products would be sampled for torque testing to ensure the safetyDirect factory supply, reasonable price, US warehouse with fast delivery and quality assurance Notice1.Before using, make sure the tool holder is firmly fixed.2.Do not knock spanner with hammer. We provide complete model of CNC machine tool holder nuts wrench/spanner: ER16, ER20, ER25(UM) , ER32(UM) , ER40(UM) If any machine tool wrench/spanner problem, we are willing to help you