Arlt Loop
Lens Loop, serrated
Active filters
Lens Loop, serrated
Serrefine, straight, 3.5 cm
LASIk Stabilization Ring 13 mm
Lens Loop, round handle
Vacuum fixation ring
Outer Diameter: 18 mm, Inner Diameter: 11 mm , Marking on 0°, 90°, 180° and 270°