Please Note: This is an aftermarket Compatible Replacement shaver head by XSPANDER, it is high quality aftermarket replacement part. It is 100% functional, but can not reach the same performance. Suitable for Philips Norelco ALL S6000 series models S6011 S6015 S6100 S6400 S6550 S6580 S6610 S6620 S6630 S6640 S6670 S6680 S6800 S6810 S6880. Suitable for Philips Norelco S5335, S5340, S5355, S5360, S5370, S5380, S5390, S5391, S5395, S5396, S5400, S5420, S5510, S5520, S5560, S5570, S5571, S5572, S5590, S5600, S5610, S5620, S5640, S5650, S5660, S5675, SW6700ease Note: This is an aftermarket Compatible Replacement shaver head,it is high quality aftermarket replacement part. It is 100% functional, but can not reach the same performance. Suitable for Philips Norelco S5335, S5340, S5355, S5360, S5370, S5380, S5390, S5391, S5395, S5396, S5400, S5420, S5510, S5520, S5560, S5570,, S5075, S5077, S5078, S5079, S5080, S5082, S5085, S5090, S5100, S5110, S5130, S5140, S5150, S5205, S5210, S5211, S5213, S5230, S5231, S5251, S5252, S5270, S5271, S5272, S5273, S5290, S5310, S5320, S5330. Suitable for Philips Norelco ALL S5000 series models ?S5010, S5011, S5013, S5015, S5050, S5070, S5010, S5011, S5013, S5015, S5050, S5070, S5074, S5075, S5077, S5078, S5079, S5080, S5082, S5085, S5090, S5100, S5110, S5130, S5140, S5150, S5205, S5210, S5211, S5213, S5230, S5231, S5251, S5252, S5270, S5271, S5272, S5273, S5290, S5310, S5320, S5330.