Difference between musclebacks and blades

[maraca2020]

I was reading what's in your bag golf digest and justin rose was talking about how the sweet spot is bigger but looks like a blade on muscle backs. What's the difference? thanks

[whit53]

For all practical purposes, the two terms are "interchangable".......... The terms musclebacks and blades, simply reference that the club has a solid back, rather than any portion of it being hollowed out, so as to redistribute weight to the perimeter of the clubhead.

[maraca2020]

ok thanks, that's what i thought.