RE: What sharpners for BH
For replacement blades & regular 2 bladed (magnus type) heads, you can’t beat a KME sharpener. It is all but fool proof. I searched far and wide to find something that easily sharpened my thunderhead replacement blades, and this thing does. It has 2 jigs, one for replacement blades(of almost ANY type) and one for the 2 blade heads. They have a kit you can buy, or piece together your own. It is SOOO worth it.