Sightron SIH Rimfire 32mm Sunshade Black. The 32mm sunshade is compatible with the following riflescopes: SIH Rimfire scopes with a 32mm front objective Specifications for Sightron SIH Rimfire Sunshade: Manufacturer: Sightron Color: Black Finish: Black Fit: SIH 39x32 Rimfire Objective Lens Diameter: 32 mm Length: 3 in Features of Sightron SIH Rimfire Sunshade Aluminum Construction 3 inches long Matte Black to match riflescope Package Contents: Sightron SIH Rimfire Sunshade Sightron 70013: SIH Rimfire 32mm Sunshade Black