WER9621Y Replacement Blade for Panasonic ER-SB40 Appliance Beard Trimmer Shaver Blade Accessories

- Replacement compatible for Panasonic WER9621Y Replacement Blade(Model# Ersb4 - Made of high-quality stainless steel, it fits the line of the head, cuts hair instantly, and trims smoothly - The two sides of the knife head are designed with R-shaped rounded corners, and the teeth of the knife are rounded and polished, so that the contact is gentle and does not hurt the scalp - Serrations and cutting edges fit snugly, and the superior serration geometry and blade technology keep you cool during use, eliminating the risk of the blade overheating. - Easy to install and use, proper cleaning and maintenance is required to prolong the life of the blade