Optical Optic Trial Lens Frame Eye Optometry Optician Changeable Cylinder Axis (With spirit level) Product name Ophthalmic Trial Clip Application Ophthalmic and Optical Usage Visual Inspection Clip parts With pinchcock on lens holders Volume Can insert 3 pieces of trial lenses Frame material ABS Color Black Weight 19.5g Package Gift Box, 2 pieces each set Options With Lever / Without Lever
