Screw Speculums are adjustable speculums used for visualization of the globe during ophthalmic procedures. Screw Speculums include Murdoch Speculums, Freeman Speculums, Lieberman Speculums, Kershner Speculums, Femtosecond Speculums, Shapira Speculums, etc. Temporal and Nasal. All our screw speculums manufactured in Europe using high-quality surgical grade Titanium and/or Stainless Steel.