HQ69xx, 69xx, AT620 (series 1000), and compatible with models: 31DB, 6423, 6613, 6424LC, 6843, 6853, 6863, 6900 series High-quality dual-layer design with fine steel blades. Compatible with and replaces HQ4, HQ4 Plus, HQ55, 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, 815RX, 825RX, 835R These high-precision replacement blades are manufactured to meet quality standards and are not affiliated with any original equipment manufacturer. Head replacement is recommended annually. After installation, apply a drop of baby oil on each screen and run for 10 seconds to ensure optimal performance. Color: Silver Material: Plastic + Metal Package Contents: 3 x Head 1 x Brush Note: The package includes only the items listed above. Other accessories are not included. Light reflection and display settings may cause slight color variations between the product image and the actual item. Measurement may vary by +/- 1-3 cm.