Stainless steel is an alloy of Iron with a minimum of 10.5% Chromium. Chromium produces a thin layer of oxide on the surface of the steel known as the 'passive layer'. This prevents any further corrosion of the surface. Increasing the amount of Chromium gives an increased resistance to corrosion.
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Material: Stainless Steel
Size: 50 x 20 x 138 mm
What's Included: Free Single Vision Anti-Radiation Lens (plano to +/-2.00 sph), Hard Case, and Microfiber Lens Cloth