Microscope Adjustable Aperture, SK6 SK8 SK12 SK23 SK25 Microscope Iris Adapter, Optical Diaphragm for Microscope(SK12) auspowers_batchone SpecificationsMaterial: High quality non-slip rubberThickness:

SpecificationsMaterial: High quality non-slip rubberThickness: 0

The wooden pepper mill surface treated with baking varnish which touches smooth and comfortable when flavor your food

Internally threaded: 7/16" -20

friends and loved ones using these cute stickers

you can substitute other suitable screws by yourself if you think you need it

Microscope Adjustable Aperture, SK6 SK8 SK12 SK23 SK25 Microscope Iris Adapter, Optical Diaphragm for Microscope(SK12) auspowers_batchone SpecificationsMaterial: High quality non-slip rubberThickness:Microscope Adjustable Aperture, SK6 SK8 SK12 SK23 SK25 Microscope Iris Adapter, Optical Diaphragm for Microscope(SK12) Specification: Item Type: Iris DiaphragmSK6Outer Diameter: 13. 0mmMinimum Aperture: 0. 8mmMaximum Aperture: 6mmMaterial: MetalThickness: 6mm8 BladesPackage List: 1 x Diaphragm Product Features APPLICATION: Small apertures of different diameters are provided in the optical system to meet different light transmission requirements.