Genuine Grover Deluxe SD90 3+3 Nickel, Metal Buttons, Safety post
Manufacturers Part Number: 133N

The 133 Series is engineered to the most precise standards of excellence with the classic look of vintage styling. 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
• Stamped housing
• 15:1 gear ratio
• 11/32” post hole
• Post length to hole: 22mm
• Overall post length: 25mm
• Weight per pc/per set: 1.0oz/6.0oz
• Max. string gauge: .074”
• Hardware included (bushings, screws)

Drop-in replacement for:
505FV Series
533 Series

Available in:
For standard guitars, 3 Treble and 3 Bass, Set of 6
No. 133N Nickel
No. 133C Chrome
No. 133G Gold

For standard 6-in-line guitars, 6 Bass, Set of 6
No. 133N6 Nickel
No. 133C6 Chrome
No. 133G6 Gold

W/ Keystone Buttons
For standard guitars, 3 Treble and 3 Bass, Set of 6
No. 133NK Nickel
No. 133CK Chrome
No. 133GK Gold

All Grover Machine heads carry a lifetime warranty from the manufacturer.

Buy with confidence from SportHiTech, an authorized Grover Dealer. All products are factory fresh and in original retail packaging.