High quality w/ metal material and plastic top.
A standard chrome tremolo arm screw fit with a 5MM thread
Please check your guitar ( use an M5 bolt) this will fit an M5 thread Chrome plated, includes three plastic end cap Fits a lot but not all tremolo bridges
The shaft is 5mm diameter and is threaded to be screwed into a tremolo bridge.
The thread is M5 (thread diameter 4.8mm and thread spacing 1mm).
Please note that not all tremolos have the same shaft thread, although this one 5MM appears to be the most common.