【Comfort Cut】:--Remove your beard gently, painlessly and additional clean, completely protect your skin from scratching.【Reset your shaver to new】:--Replace the shaver heads and come back to one hundred pc performance. --For most shaving performance, it is recommended to exchange your shaving head as soon as each 12 months【Attention】:--After installation, place a tiny drop of teenybopper oil on every single heads and allow shaver to run for 10 seconds. These steps will help to guarantee your shaver properly and easily running. --Non-Original alternative heads, this a nice alternative for a fragment of the price.【Model】:--Series 7000 Replacement Heads for S7980 S7940 S7887 S7886 S7710 S7788 S7786 S7783 S7782 S7780 S7740 S7720 S7710 S7530 S7510 S7520 S7530 S7371 S7370 S7350 S7326 S7312 S7311 S7310 S7010 S7310 S5588 --SH71 Shaver Replacement Heads well matched with All Shavers Series 7000 (S7xxx), and Angular-shaped Series 5000 (S5xxx). 【Note】:--They shouldn't like minded with the rounded Series 5000, which use SH50 substitute heads instead. 【Package】:3x shaving heads