ROTO-GRIP LOCKING VINTAGE (533 SERIES)

The Roto-Grip Locking Vintage (533 Series) are engineered to the most precise standards of excellence, with the classic vintage styling. Grover’s Vintage 533 locking series come with a “thumb screw” mechanism, which locks the string securely into place. With 15:1 gear ratio.

The 533 Series are engineered to the most precise standards of excellence, with the classic vintage styling. Grover’s Vintage 533 locking series come with a “thumb screw” mechanism, which locks the string into place. Insert the string through the post hole, wrap around once, then lock by tightening with the thumb screw. Worm and gear are cut to mesh perfectly, thereby eliminating backlash and slippage. The housings are self-lubricating for a lifetime of trouble-free service.

  • Sealed-in, lubricated gears
  • 15:1 gear ratio
  • 11/32” post hole
  • Post length to hole: 19.5mm
  • Overall post length: 24.44mm
  • Weight per pc/per set: 1.1oz/6.6oz
  • Max. string gauge: .064”
  • Hardware included (bushings, screws)
  • Drop-in replacement for:
    • 133 Series
    • 505FV Series

Available in:
For standard guitars, 3 Treble and 3 Bass, Set of 6
No. 533N Nickel
No. 533C Chrome
No. 533G Gold

For standard 6-in-line guitars, 6 Bass, Set of 6
No. 533N6 Nickel
No. 533C6 Chrome
No. 533G6 Gold

W/ Keystone Buttons
For standard guitars, 3 Treble and 3 Bass, Set of 6
No. 533NK Nickel
No. 533CK Chrome
No. 533GK Gold

Schematic Drawing

533 Series
533-6 Series
533K Series

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