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Your cart is empty.Monster Oil is home to the cleanest synthetic brass lubricants currently on the market. The company was started by 3 professional trumpet players who collaborated with an aerospace lubricant firm. Together, products that were originally used by NASA were reworked until they were perfect for brass instruments. The result is a line of products that are designed to clean, protect and lubricate instruments all at the same time. Our Light Rotor Oil is specifically designed to be applied directly on your rotor. And it has a unique precision tip that prevents it from leaking or breaking. It is extremely long-lasting, smooth, and will protect your instrument from corrosion.
J. Hall
Reviewed in the United States on May 12, 2023
Doesn’t work any better than anything else I’ve used. Paxman 20A and Paxman 44X (six valves).
Mikayla
Reviewed in the United States on March 22, 2022
They have changed their packaging, but not updated their photo. The needle is much smaller now. Be warned!
Mark Hall
Reviewed in the United States on February 7, 2021
Really makes a difference if you have only used "regular" valve oil. Action is noticeably lighter. Though it does seem that I need to apply this more often.
Ying-Chih Wang
Reviewed in the United States on August 26, 2020
I once had accidentally ruined my trombone's F valve by adding heavy "linkage" rotary oil to it. After spending lots of effort and different oils, I kind of revived the valve but it requires very frequent oiling since then. After using this oil, I can feel that the valve movement is faster, more smooth, and now the valve requires less oiling. I am happily impressed.The only downside is its petroleum odor. Not strong but easily sensible.
Easydoc
Reviewed in the United States on December 9, 2020
I recently purchased a French horn and began lessons.Although I discovered different opinions on the use of light vs. heavy oil, my instructor, a very experienced professional horn player and teacher, advised me to use light oil under the rotor caps and in the slides and a heavier oil in the seams between the stationary valve plates and the turning rotor posts on the back side of the horn.Monster Light Rotor Oil is a high-quality synthetic light oil with a convenient blunt needle to provide accurate placement. The heavier oil that I use as above is the Monster Bearing and Linkage Oil. Both work beautifully.
Shane D.
Reviewed in the United States on December 26, 2017
This oil is great! Needs to be used in conjunction with the bearing linkage oil to properly maintain your french horn valves. My horn's valves have worked so much better and quieter since switching to this oil. I highly recommend this product and will continue purchasing it in the future.
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