Iommi is widely recognised as one of the most important and influential guitarists in heavy metal music. According to Allmusic, "Iommi is one of only two guitarists (the other being Led Zeppelin's Jimmy Page) that can take full credit for pioneering the mammoth riffs of heavy metal.
Tony Iommi is synonymous with heavy rock, having more or less invented the genre single-handedly with the dark and doom of Black Sabbath.
According to Iommi official website, below the list of Tony Iommi's electric guitar :
Epiphone P94 Iommi model
Epiphone Riviera 12 string
EPIPHONE TONY IOMMI G-400
Fender Stratocasters
Artist Model Gibson
Black Gibson Custom Shop S.G.
Black Gibson S.G. Standard
Red Gibson Custom Shop S.G.
Red Gibson SG (Monkey)
The Story of the Gibson Tony Iommi Signature Pick-up by Mike Clement
Jaydee Custom S.G. (a.k.a. No. 1, The Old Boy)