High high quality and brand new Fit perfectly on your mechanical device Easy and convenient to use Thickness: 1mm, Inner diameter: 90mm, Outer diameter: 140mm Colour: silver + black Material: stainless steel + silicone Package Contents: 2 x stainless steel sheet 2 x Silicone pad Only the above equipment content, varied products should not included. Note: Light capturing and diversified displays can cause the color of the object in the photo a bit diversified from the genuine thing. The dimension allowed error is +/- 1-3cm.