3pcs replacement shaver heads are perfectly compatible with electric razor AT811, AT814, AT890, AT891, AT893, AT910 and AT911. Designed with premium fine mesh blades, the shaving heads glide smoothly against skin for a gentle and close shave. Flexible floating structure naturally fits facial and jaw contours, adapting to uneven skin curves for full coverage. Tool-free installation allows easy manual replacement and routine cleaning, saving your daily maintenance time. Made to standard dimensions, these spare heads fit tightly with the razor body, stable in use and perfect for daily replacement.