Check the listing for details. Philips Norelco Replacemnt 1-3mm Adjustable Precison Comb for Select MultiGroom. Condition: New. Listed at 21.99 USD. Fits 30mm blade on models BT1216, BT5511, MG3750, MG3760, MG3910, MG5700, MG5720, MG5730, MG5750, MG5760, MG5900, MG5910, MG7750, MG7770, MG7790, MG7791, MG7900, MG7910, MG9510, MG9520, MG3710, MG3711, MG3712, MG3720, MG3721, MG3730, MG3731, MG3740, MG3747, MG3748, MG3757 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.