It’s really sharp and I’ve heard t10 is strong too. I was looking up info about different steel types and landed on t10. And the one I purchased is sold out but here’s a link to another one from the same manufacturer

Handmade Japanese Samurai Katana, 1060/1095/T10 Carbon Steel, Heat Tempered/Clay Tempered, Ninja Shirasaya/Sword,Full Tang, Razor Sharp, Battle Ready https://www.amazon.com/dp/B085HKG41L/ref=cm_sw_r_cp_api_i_tan2EbYGN4FQZ