High quality ABS material with good wear resistance ability is not easy to corrode and safe to use. High quality ABS material with good wear resistance ability is not easy to corrode and safe to use. Easily replace your shaver parts every 18 months to maintain optimal performance. Reducing the repeated shaving process, shaving more effective and more comfortable. Fit for 1735, 1775, 170, 180, 190, 5728, 5729 shaver models for directly fitment. Tooth comb technology can be used to guide the messy beard alignment into the trimmer.