The 151 Series is distinctive in styling and quality, the Imperial™ made its first appearance in the 1970’s. The most notable feature of this unique machine head is the futuristic Three-Step button, a fresh and funky design trademarked by Grover®.
• Sealed-in, lubricated gears
• 16:1 gear ratio
• 25/64” post hole
• Post length to hole: 22.2mm
• Overall post length: 27.4mm
• Weight per pc/per set: 1.8oz/10.8oz
• Max. string gauge: .074”
• Hardware included (bushings, screws)
• Drop-in replacement for: 152 Series
About Grover
Grover, who produce the World’s finest machine heads has a history which goes back to the very beginnings of the modern guitar as we know it. In the 1800’s American inventor and musician Albert Dean Grover, an innovator who earned over fifty patents for musical instrument parts began a legacy which has flourished over more than two centuries.
Innovation and excellence have continued with the development throughout the mid-20th century of the timeless Grover 102 and 205 Rotomatic tuner, with kidney bean or keystone buttons, the 135 Vintage, the iconic 105C Imperials, and the elegant Roto-grip locking tuners. Covering the entire gamut of fretted musical instruments, Grover offers an almost limitless selection of tuners, for guitar, bass and banjo, plus bridges and capos.
Innovation and excellence have continued with the development throughout the mid-20th century of the timeless Grover 102 and 205 Rotomatic tuner, with kidney bean or keystone buttons, the 135 Vintage, the iconic 105C Imperials, and the elegant Roto-grip locking tuners. Covering the entire gamut of fretted musical instruments, Grover offers an almost limitless selection of tuners, for guitar, bass and banjo, plus bridges and capos.