O-Ring Assortment SAE Material Viton(R) Number of Pieces 180 Number of Sizes 30 Durometer 75 Shore A Hardness Hard Sizes Included AS568A Dash No (10) Each of 006 to 012 110 to 114 (5) Each of 115 to 116 210 to 215 (2) Each of 216 to 222 325 to 327 Case Type Plastic Box with Lid Chart Meets/Exceeds ASTM D2000 SAE J200 Temp Range -15 Degrees to 400 Degrees F Color Black Application Industrial