no indication manufacturer for compatibility. Fortunately netizens knowledgeable me is indeed compatible with the Actifry AL800xxx 1kg, this blade is black, the old gray, but she snaps perfectly. I am in my 3rd and my 2nd blade cover as much else! Mr SEB / Tefal, thank you to read all the comments and be sure to make a much stronger fryer, change materials! it breaks at the lowest level just before the tip, certainly force it to heat weakens and difficult to properly clean it without support! in short to 150 on average for a deep fryer, which I find very expensive, at least have respect for the consumer by making it stronger!