Is the 3M 769F flap disc the secret weapon everyone’s raving about, or is it too good to be true? 🧐 The reviews are 50/50, so I decided to put it to the ultimate test! From light pressure to heavy grinding, hot welds to cold metal, I pushed this disc to the limit. The results were… surprising. 😱 Want to see how it stacks up? Check out the full data on the Fireball Forum 🔥 . Fireballtool.com . . . #FireballTool #Fireball #Tool #maker #builder #construction #fabrication #carpentry #welding #tools #tooling #fyp #DIY #shorts #usa #foryoupageシ #Metalworking #ToolTest #WorkshopScience #ShopScience #anglegrinder #flapdisc #FireballTests #longervideos #longervideo #GrinderTests #FlapDisc #Grindingdiscs #FlapDiscTest#3M769F #3M - @fireballtool