golden sleeve (ring)
Made of copper material (high quality)
Function: To adjust the new version of the Inverto pickup, version number 5928, and install a vid for it to strengthen and increase the signal for weak frequencies.
Installation method: easily stuck in the nozzle of the pickup
Weight: 45 grams approx
Height: 6 mm approx
Price: 35 riyals 9.5 dollars