https://www.stewmac.com/parts-and-hardware/tuning-machines/solid-peghead-guitar-tuning-machines/golden-age-33-locking-tuners/
Golden Age 3+3 Locking Tuners - StewMac
golden agelocking tuners
https://nextgenguitars.ca/products/gotoh-sd90-mgt-sl-locking-tuners-3-3-cosmo-black.html
Gotoh SD90-MGT-SL Top-Locking Tuners - 3+3 Cosmo Black - Canada
MADE IN JAPAN Gotoh's SD90 tuners are a fantastic replacement or upgrade for your vintage style tuners. The MG top-locking system keeps the vintage look, but...
locking tunersgotohmgtsltop
https://www.johnmannsguitarvault.com/prs-vintage-style-tuners-w-butterbean-buttons-lock.html
PRS Vintage Style Tuners w/ Butterbean Buttons, Locking, Set of Six - John Mann's Guitar Vault
PRS Vintage Style Tuners w/ Butterbean Buttons, Locking, Set of Six, Direct replacement for most Core McCarty family models and S2 Series McCarty
https://www.millrivermusic.com/accessories/tuners/grover-locking-machine-head-tuners-25792
Grover Locking Machine Head Tuners
Grover Locking Machine Head Tuners
machine headgroverlockingtuners