Traditionally, single bevel heads don't have bleeders and we are offering that option. Personally, I've preferred our 2-blade with 3/4" bleeder over a single bevel for opening up holes and slicing more tissue. Depending on the single bevel design, they can create an S cut which opens up holes better than a 2-blade double bevel with no bleeder, but not quite as well as a 2-blade with 3/4" bleeder in my experience. If you add a bleeder to a single bevel head it will reduce this rotation unless you make a bleeder with a single bevel grind also, which is what we've done. To me this could be the best of both worlds for opening up holes, getting S cuts in two directions as it rotates through. The holes through the hide become more open and circular and more tissue is cut all the way through the animal. I shot a buck a few weeks ago using the single bevel with bleeder and it looked like a faucet was turned on as the buck walked away. I'll post a video of this blood trail sometime. Based on the positive results on both options, we've decided to offer them with and without bleeders [naming conventions is sb125 and sb125buff (no bleeder)].