For Ukulele 4 String Guitar Bass,These are more suitable for ukuleles.Bass tuners are much larger,
Main material: Stainless steel
None of the screws will come off when used in the correct application and installed correctly
The central shaft to which the rope is attached is 1 inch long. The tuner is mounted in a 5/8” thick 3/8” mounting hole centered 3/8” from the edge of the peg.
note: Make sure the holes are suitable and tighten them when installing