The locking feature is nice for string changing and they hold tune very well. Very smooth tuning and stays in tune. Often, the hardware on guitars is an area that gets cut back on to save manufacturing costs. For instance, they offer the popular 18:1 gear ratio—the Rotomatic design for which the company is renowned. Roto-Grip Locking Rotomatics® utilize the famous Rotomatic® design with a “thumb screw” mechanism, which locks the string into place. Your email address will not be published. Locking tuners are a must for anyone with a bigsby and Grovers are the best of the best. Well worth the investment. We highly recommend the #1712 Depth-stop Drill Bit (5/64" bit) for the pilot hole before installing these screws. The improved version of the classic Fender Strat Bridge, The most consistent, top quality Strat® replacement body on the market today. The thumbscrew mechanism makes it easy to slip through your strings and lock them into position. My hope was that these would be a drop in replacement for the epiphone Joe Bonamassa 355. I put a set of these tuners on my Les Paul Custom and what a difference these tuners make! The Grover Accordion locking tuners are great locking machine heads that offer excellent features. What a difference. You can't go wrong with Grover. Lubricate the screw threads with cutting lubricant (also wax or a bar of soap) to reduce friction and help them thread properly. Includes all mounting hardware. Build the pedal that redefined overdrive. Mounting screws: Pilot holes required. I did have to slightly enlarge the screw holes by about 1/32" to make them fit, but that is barely visible. Much better than the G-Force in both of those circumstances. This is the 4th set of locking tuners I've installed on some of my guitar collection and the 2nd set of Locking Grover's. I replaced the stock tuners from my 1974 Takamine, which had a rattle. Awesome tuners. I used the original screw and ferrule. Haven;t installed them yet but these Grover Locking Rotomatics should be a well deserved fix. For 3-left/3-right pegheads. Insert the string through the post hole, wrap around once, then lock by tightening with the thumb screw. Same mass as originals so i don’t feel any real difference. Don't try to drive the screws in without making that change or you will either break the screw, or be unable to properly seat the tuners in the headstock. Fender's most popular pick shape in different materials. 18:1 gear ratio. These Roto-Grip Machine heads from Grover are an ideal replacement if you have non-locking tuners on your guitar. Save on Over 900 Items, Grover Roto-Grip Locking Rotomatic (502 Series) 3+3 Tuners, Grover Roto-Grip Mini Locking Guitar Machines, Grover Original Locking Rotomatics (106 Series) 3+3 Tuners, Find the proper fret position with the official Stewart-MacDonald Fret Calculator, Stewart-MacDonald is PCI compliant and validated for secure e-commerce. Roto-Grip Locking Rotomatics ® utilize the famous 18:1 Rotomatic® design with a “thumb screw” mechanism which locks the string into place. The locking feature is a nice thing to have, makes changes strings a little bit faster. They went in quickly and work perfectly. Save my name, email, and website in this browser for the next time I comment. Don't make a new nut just to fix a low slot—fill it! I wish I had a photo to share but I don't. Perfect substitute. I have replaced tuners on a couple of my guitar with locking tuners. They worked perfectly. Musicians Outfitters USA was offering them at a steal (with a whopping £25-30 off the standard retail prices I've seen elsewhere) with the only caveat being long delivery time, but they arrived much earlier than expected and communication was fantastic! Grover 502G Roto-Grip Locking Rotomatic Tuners - 3+3 Gold Locking Tuning Machine Heads for Guitar with 18:1 Gear Ratio, 3 x 3 Configuration, .391" Hole Size, and Included Mounting Hardware - Gold $ And that applies to ALL manufacturers. I truly believe in them regardless of the type of guitar you own. It's a lot easier to change strings and tuning is more stable when I bend strings. Fast string changes and non-slip tuning! I replaced the tuners on my Epiphone Sheraton with the Grover Locking 502 series tuners. Thank you so much Stew mac.Gary Dus. With these on and the string spoiler on the vibrato string changes are insanely quick. Roto-Grip Locking Rotomatics®(502 Series). Available in: 502C Chrome For standard guitars, 3 Treble and 3 Bass, Set of 6, 502BC Black Chrome For standard guitars, 3 Treble and 3 Bass, Set of 6, 502G Gold For standard guitars, 3 Treble and 3 Bass, Set of 6, Your email address will not be published. Replaced the G-Force system on my Gibson SG with these tuners. Insert the string through the post hole, wrap around once, then lock by tightening with the thumb screw. 4 Grover Roto-Grip Tuners (502G) – Best Grover Tuners for Les Paul. We all know the benefits of having them on guitars with standard tremolos (not Floyd Rose types that already have a locking nut). Description. DON'T MISS A BEAT, sign up for StewMac news, Black Friday Sale! Set and forget. They look and feel just like the keys on my other Gibsons and increased the value of the guitar by at least enough to cover the cost. For 3-left/3-right pegheads. They were so easy to install . From Rock & Roll Hall of Fame inductees to garage bands, and world-renowned orchestras to high school marching bands, those who know quality insist on Grover® Musical Products and The Trophy Music Co. for all their accessory needs. © 2019 Grover Terms & Conditions: Sale | Purchase, Be the first to review “Roto-Grip Locking Rotomatics. Required fields are marked *. Rear thumbscrew locks the string for non-slip tuning and fast string changes. Perfect replacement for the most standard machine heads. and seeing that I have the Bigsby vibrato, this is going to make changing my strings so much easier. 18:1 ratio is sweet. Installing delicate screws into hard wood requires great care and accuracy. A nice improvement and easier way to keep the guitars in tune. It turned a nice guitar with a whacky tuning system into a great guitar. Roto-Grip Locking Rotomatics® utilize the famous 18:1 Rotomatic® design with a “thumb screw” mechanism which locks the string into place. Grover Roto-Grip Locking Rotomatic (502 Series) 3+3 Tuners Fast string changes and non-slip tuning! Basically they fit right in without any modifications to my headstock. Rear thumbscrew locks the string for non-slip tuning and fast string changes. Makes for much quicker and easier string changes.