Compatible model: Sonic care Flexcare Essence HX5810 Toothbrush Handle fits Essence 5000 HX5300 HX5310 HX5350 HX5351 HX5451 HX5500 HX5700 HX5754 HX5800 HX5810 HX5600 HX5610 HX5620 HX2630 5300 5310 5500 5700 5750.
eBay