Replacement head for Series 5 and 6 compatible electric shavers. [Items will be shipped the next day or the same day m(__)m] ✨We are starting to sell at a special limited price to celebrate our opening✨ ⚠️If you buy two items, you get a total discount of -100 yen ⚠️If you buy three items, you get a total discount of -200 yen ⚠️Package may be subject to change Compatible models: Series 5 53B, 51-M1200s-V, 50-B1000s, 50-B7000cc, 50-M1000s, 50-M4200cs, 50-R1000s, 50-W1000s, 60-B1000s, 60-B4000cs, 60-B7000cc, 60-N1000s, 60-N4000cs, 60-R4200cs (same as 60-R4200cs). Material: Stainless steel. Features: Very sharp blades, can last up to 18 months with normal use. Structure: Cassette type with integrated foil and cutter, restoring like-new sharpness with replacement. Compatibility: Fully compatible with Series 5 53B electric shaver heads. No compatibility issues confirmed by model check.