Check the listing for details. Philips Norelco Replacement 16-20mm Pivoting Comb for Select MultiGroom Models. Condition: New. Listed at 16.49 USD. For 30mm blade on models BT1216, BT5511, MG3750, MG3760, MG3910, MG5700, MG5720, MG5730, MG5750, MG5760, MG5900, MG5910, MG7750, MG7770, MG7790, MG7791, MG7900, MG7910, MG9510, MG9520 MG9730 Adjusts 16-20mm 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.