How Randolph Engineering Sunglasses Frames Are Made

Rock Tumbler Used For Polishing and Removing Burrs from Randolph FramesSunglasses frames can be made of many materials, but Randolph Engineering uses 18% nickel silver eye wire for their frames. As with any metal when it comes from the manufacturer it will have some small imperfections like burrs and rough edges.

At Randolph Engineering rock tumbling is used to remove imperfections like these from every frame before the all important finish is applied to the sunglasses frames. Read more