General description Replacement shaver head compatible with various Philips models, including HQ3, HQ4, HQ55, HQ56, and many others. This set includes 60 high-quality double-layer cutters featuring fine steel blades, designed to provide a close and comfortable shave. The replacement heads are recommended to be changed annually for optimal performance. Technical specifications Color: Silver Material: Plastic + Metal Package Contents: 60 Shaver Heads, 20 Brushes Measurement allowed error: +/- 1-3 cm Compatibility and accessories Compatible with models: HQ3, HQ4, HQ55, HQ56, HQ6900, HQ6868, HQ5812, HQ6874, and more Replaces HQ4, HQ4 Plus, HQ55 Plus, HQ56 Fits models: 6948XL, 6947XL, 6945XL, 6940LC, 6900LC, 6863XL, 6856XL, 6854XL, 6853XL, 6844XL, 6843XL, 6618X, 6617X, 6616X, 6615X, 6614X, 6613X, 6424LC, 6423LC, HP1318, HP1319, HP1327, HP1323, HP1327D, HP1328, HP1328E, HP1337C, HP1601, HP1602, HP1604, HP1605, HP1606, HP1608, 700RL, 705RL, 710RL, 715RL, 720RL, 725RL, 750RL, 800RX, 805RX,