M4x10RR Stainless Steel Thumb Screw for Eyepiece Fixing
German made stainless steel set screw for eyepiece holders to secure your eyepiece
Size of thread: M4
Length of thread: 10mm
Above image is for demonstration only. Shows various optional thumb screws/set screws.
We have many different thumb screws available; some we stock at our premises, others are available on back order...