Well, even if it has a Limited Lifetime Warranty, I’d go for it. But man, for that price, I think I’ll stick to the normal blades. What is so attractive? Yes, the mag change, like a gun. https://www.aliexpress.com/item/1005004695634892.html?spm=a2g0o.productlist.0.0.4657560eCjsc1o&algo_pvid=80fef355-b581-4954-9c41-d9d4376f6b20&algo_exp_id=80fef355-b581-4954-9c41-d9d4376f6b20-0&pdp_ext_f=%7B%22sku_id%22%3A%2212000030131609935%22%7D&pdp_npi=2%40dis%21MYR%21274.22%21274.22%21%21%21%21%21%402101e9d216632368103763834ec359%2112000030131609935%21sea&curPageLogUid=iol0FLZIoBT5