shaving experience: replacement heads for shavers are equipped with design, which can care about most dead ends, the head is in round shape, can gently shave, will not scratch your or remove the unwanted parts, efficient and have good effects Easy to install: these heads are convenient to install for replacement, after installation process, you can place a drop of oil on each head and run for 10 seconds to maintain a properly-running function; It's recommended that you should replace the shaving heads 12 months for performance Pointed and multi precision blades: The pointed design makes a more efficient work, good for shaving your beard without leaving traces, you will look and more attractive; These heads are washable for reuse, you can clean after shaving or brush with a cleaning brush Name: head replacement Number: HQ30 HQ50 HQ52 Compatible with following models: these HQ30 HQ50 HQ52 replacement heads are compatible with for Heads 1__X, 3__X, 5__X, 50__X, series For example: [S500 Series] S510 S511 S512 S520 S530 S531 S538 S550 S551 S560 S561 S570 S571 S575 [5000 Series] S5050 S5070 S5075 S5077 S5078 S5079 S5080 S5081 S5082 S5090 S5091 S5095 XZ580 XZ5800 XZ5810 s1000 s3000 and other series models Rotation: Yes colour:Silver Material:steel Package Contents: 3 x blades 1 x cleaning brush Only the above package content, other products are not included. Note: Light and different displays may cause the color of the item in the a little different from the real thing. The measurement allowed error is +/- 1-3cm.