O-Ring Assortment SAE Material Viton(R) Number of Pieces 212 Number of Sizes 20 Durometer 90 Shore A Hardness Very Hard Sizes Included AS568A Dash No (12) Each of 905 to 910 (10) Each of 901 to 904 911 to 914 916 918 920 924 928 932 Case Type Plastic Box with Lid Chart Meets/Exceeds ASTM D2000 SAE J200 Temp Range -15 Degrees to 400 Degrees F Color Black Application Boss Tube Fittings