Overview Reviews Product Description Regiment 48661 Square Channel Washer 25THK ID7/16 Inch ODSquare Electro-GalvanizedMaterial Type.. Product Videos Custom Field Size 7/16 Product Reviews Write a Review Write a Review × Regiment 48661 Square Channel Washer 25THK ID7/16 Inch ODSquare Material: Electro-Galvanized Rating * Select Rating 1 star (worst) 2 stars 3 stars (average) 4 stars 5 stars (best) Name Review Subject * Comments *