I have narrows mine to Slick Trick Magnums. 100gr.
After going through most of the top brands over the years, I love these because they are 1 1/8" cut, and 4 blades! Lots of bleeding.
But most of all, they are the first fixed blade that shoots where my field point shoot! No more readjusting avery year from BH to FP's!
But whatever you do, stay away from mechanicals. Their selling point is shooting the same as FP's but loose kinetic energy on contact just to open. Less penetration on such a huge animal I think.