Brass Thumbscrew (M4)
This cupped thumbscrew has a hole thru it, as a window to allow a small amount of light to shine thru. The cup is approximately 4mm deep, and 7mm in diameter on the inside.
This cupped thumbscrew has a hole thru it, as a window to allow a small amount of light to shine thru. The cup is approximately 4mm deep, and 7mm in diameter on the inside.
