ALUMINUM ALLOY -- Made of aluminum alloy material, has no burrs and , is not easy to deform, and has strong flexibility and stability.
SIZE -- Inner Hole Size: Approx. 2mm / 0.1in-44mm / 1.7in, outer Circle Size: Approx. 60mm / 2.4in, thickness: Approx. 6mm / 0.2in
APPLICATION -- High accuracy, can be more widely used in the optical field.
EXQUISITE APPEARANCE -- Exquisite and smooth appearance, appearance is beautiful and textured, allowing you to enjoy the visual during use.
EASY TO DISASSEMBLE -- Simple to use, more convenient to disassemble and install, you can easily combine with other optical instruments.
