For Philip Sonic care FlexCare Toothbrush HX9140 Bluetooth HX9120/9140/HX9160 | eBay
Amazon.com : Electric Toothbrush Metal Shaft/Vibrating Tip Replacement Parts Compatible with Philips HX6340 HX6530 HX6710 HX6920 HX9140 HX9340 HX8910 HX9350, Shaft Connector Block with Waterproof Rubber Seal : Health & Household