Features: This cable railing rubber grommets is built to withstand extreme coastal and corrosive environments. Cable railing protector sleeves for metal or aluminum posts. Easy to install, whether applied indoors or outdoors, residential or commercial. Provides beveled washers for sloped angles of stair. Suitable for tilting up or down. Specifications: Material: stainless steel Color: black Size: 3/8" Package includes: 50 x Black Angle Washer Notes: Manual measurement, please allow slight errors on size. The color may exist a slight difference due to different screen displays