O-Ring Assortment SAE Material Viton(R) Number of Pieces 461 Number of Sizes 33 Durometer 75 Shore A Hardness Hard Sizes Included AS568A Dash No (32) Each of 006 to 012 (12) Each of 110 to 116 (9) Each of 210 to 222 (6) Each of 325 to 330 Case Type Plastic Box with Lid Chart Meets/Exceeds ASTM D2000 SAE J200 Temp Range -15 Degrees to 400 Degrees F Color Black