- Particularly suitable for deburring and cleaning pipes, threads, coupling sleeves and cylinders. In addition to a thread, some versions also have a shank: - M6 thread: 6 mm shank; - 3/8 thread: 10 mm shank.
- POLISTAR flexible tools have been especially developed for work on the inner surfaces of holes and pipes. - Advantages: - Optimum adaptation to contours thanks to high flexibility. - Most effective work on small inner diameters, particularly in the range of 7–40 mm, due to tool dimensions.