Features Specifications - Series Artist Body Material Alder Neck Custom C Shape No. of Frets 21 Description Product Description Guitar great Robin Trower helped define an era of guitar-riff rock with the first four notes of 1974's "Bridge of Sighs." Trower's signature Stratocaster features custom pickups created by Trower and Fender master builder Todd Krause, with a reverse wound/reverse polarity middle pickup (including a humbucking option in the second and fourth positions).