A pair of posts and studs used for a multitude of tremolos. These are embedded into the guitar body, and the knife edges of the tremolo sit on the thinnest part. The small contact area allows the tremolo to move freely as the arm is pressed. These can often be worn out through prolonged use. These will be in a pressed in replacement for guitars with studs of the same dimensions.
Dimensions -Length: 29mm
Stud diameter: 9mm
Stud length: 21mm