1. Material: steel 2. Not easy to rust 3. Function: shaving 4. Voltage and power: depending on the machine 5. Control method: shaver 6. Applicable to: HQ7810, HQ8100, HQ8140, HQ8142, HQ8150, HQ8160, HQ8170, HQ8174, HQ9100, HQ9140, HQ9160, HQ9170, HQ8141, HQ8155, HQ8172, HQ8173, HQ8200, HQ8240, HQ8241, HQ8250, HQ8253, HQ8260, HQ8261 , HQ8270, HQ8290, HQ9020, HQ9070, HQ9080, HQ9090, HQ9161, HQ9190, HQ9199, PT920, HQ8140, HQ9160, HQ9170, HQ919, PT920CC, PT925, AT940, AT921 and other models 7. Weight: about 3g
