These are Montreux humbucker set screws. They come with a stainless steel spring and are inch-sized (#3-48 = approx. 2.5mm diameter). They are nickel-colored and come in a pack of four.
These screws are for MONTREUX humbucker pickups. They come with a stainless steel spring and are inch-sized (#3-48 = approx. 2.5mm diameter). They are gold in color and come in a pack of four.