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“I'm doing some wood binding today, and I pulled out a few pieces of curly maple I've had for a while that I bought from you. It never ceases to amaze me how LMI, above all my other suppliers, just consistently gives me materials that never fail to surpass my expectations. No matter what any picture on your site looks like, whatever I get is always better. Really appreciate it. I know that you supply many other people far beyond my volume and talent, but I am definitely a customer for life!"

Truss Rod, one-way wrapped

MadeintheUSA125
TRUSSRODOneWayWrappedTRS
One-way wrapped truss rod. See detailed image.
NOTE: Allen wrenches are
not included with truss rod

The one-way wrapped rod was developed over twenty years ago by Bill Lewis in collaboration with Michael Gurian, of Gurian Instruments. It's based on the truss rod of the old Vega Banjos. Rickenbacker Guitar has also employed a similar rod for many years. Thousands of these truss rods have been in use, and are still in use.

 Over the last several years we have made a few refinements. We now use a brass stop block, and have made the broach of the truss rod nut a little smaller so that the walls of the Allen keyway are thicker. This rod is wrapped with non-deteriorating which protects against "rod buzz" and makes it unnecessary to use glue or silicone.The guitar head is not needlessly weakened by excessive cutting away where the head meets the neck, and in turn, a narrow 3/8" cover plate is adequate; and the rod is easily replaceable (if need be) since no glue is required.


Please Note: With the exception of the TRMR made in Japan, all of the truss rods we carry are made, inspected and tested in the USA. Still, we urge you to carefully inspect each rod you receive to make sure it meets your specifications. Once installed, a truss rod can be extremely difficult to replace or repair. Put each rod in a vise and turn the nut beyond its normal range of adjustment (turn it both ways if it is a two-way rod). As with all of our products, LMI is not responsible for any effect of a defective truss rod, or any related costs, beyond the price of the truss rod itself. In keeping with our return policy, we are happy to replace or refund the cost of any rod that you are not happy with. Please call for a return authorization number within 2 weeks of receiving your order. Modification of the rod in any way voids your warranty.

Truss Rod Installation Instructions


SKU Product Name In Stock Each 3+  
TRE Truss rod, one way wrapped, electric, 17" x 15/32" (overall length 17 3/4")
Yes $26.78 $23.84
TRBS Truss rod, one way wrapped, bass, 22 3/4" x 15/32" (overall length 23 1/2")
Yes $27.35 $24.36
TRW 9/64" Allen wrench for LMI truss rod Yes $1.47 $1.31