O-Ring Assortment SAE Material Viton(R) Number of Pieces 1 324 Number of Sizes 164 Durometer 75 Shore A Hardness Hard Sizes Included AS568A Dash No (25) Each of 001 to 012 106 to 112 (10) Each of 013 to 030 113 to 124 (5) Each of 031 to 038 125 to 136 207 to 230 314 to 329 (2) Each of 039 to 050 137 to 163 231 to 262 330 to 355 425 to 429 Case Type Gray Steel Cabinet 60 in H x 20-5/8 in W x 16-1/4 in D with 12 Slide Out Trays Meets/Exceeds ASTM D2000 SAE J200