1[High Precise] This CNC tool setter features 5mm stroke and 0.0005mm repeated positioning accuracy, with stroke protection, ensure maximum accuracy. 2[IP67 Structure] Four layer fully sealed movement design, this CNC automatic tool sensor is completely oil resistant and waterproof, ensuring reliable operation in harsh environments. 3[Sturdy Contact Surface] The contact surface is made of imported tungsten steel alloy, known for its wear resistance, precise, strength, and rust resistance, ensuring long lasting performance. 4[Automatic Cleaning Feature] Equipped with an automatic air blowing device, this tool setter can clean the contact surface before tool setting, eliminating the need for manual cleaning and thereby improving efficiency. 5[Compact and Versatile] Featuring a compact structure, this automatic tool sensor is easy to install and compatible with most control operating systems.