Compatible with Hilti TE 17, can directly replace the original carbon brush. The size is 24x8x6.4mm, please check carefully. The built-in spring design ensures that the carbon brush always sticks to the commutator surface, the contact is tighter and more stable, reducing current instability, sparking and other problems, and improving operating reliability. The carbon brush is made of carbon gra-phite material with excellent conductivity, ensuring stable current transmission when the motor is running, effectively improving the working efficiency and power output of the tool. Each set contains 2 pairs of carbon brushes, which can be replaced for two devices at a time or used as spare parts, with high cost performance, meeting the multiple needs of personal and professional maintenance., Manufacturer: Create idea