Specification :
Item type: Iris diaphragm.
SK25:
Expanded Diameter: 1.5-25mm
Material: metal.
Outer diameter: 37 mm.
Inner diameter: 25 mm.
Thickness: 5.5 mm.
14 shovels
SK23
Outer diameter: 37 mm.
Minimum opening diameter: 1.5 mm.
Maximum opening diameter: 23 mm.
Material: metal.
Thickness: 7 mm.
12 sheets
SK12
Outer diameter: 19.8 mm.
Minimum opening: Ø1 mm.
Maximum opening: Ø12 mm.
Material: metal.
Thickness: 5 mm.
10 sheets
SK8
Outer diameter: 14.8 mm.
Minimum opening: Ø0.8 mm.
Maximum opening: Ø8 mm.
Material: metal.
Thickness: 4.5 mm.
8 blades
SK6
Outer diameter: 13 mm.
Minimum opening: Ø0.8 mm.
Maximum opening: Ø6 mm.
Material: metal.
Thickness: 6 mm.
8 blades

Package List:
1 x diaphragm.