Check the listing for details. Philips Norelco Replacement Blade for BT9810. Condition: New. Listed at 51.69 USD. Fits model BT9810 Please note: • Shipping fees are non refundable. • Personal care products including, but not limited to, electric shavers, trimmers, clippers, and their parts & accessories are considered sanitary items, therefore those items are not eligible for return once opened. • Electrical parts including, but not limited to, batteries and circuit boards, are not eligible for return once installation has been attempted. • Genuine products from the following brands are covered by manufacturer warranty: Andis, Braun, Grundig, Philips/Norelco, Panasonic, Remington, Shavetronics, & Wahl. If you experience an issue with defects, quality, or general dissatisfaction, please contact the manufacturer's customer service department using the contact information listed in the user manual/documentation or on the packaging.