Studbolts w/ 2 Hex Nuts, ASTM A193 - B7, ASTM A194 - 2H, ASME B1.1 Class 2A, ASME B18 1.1 Class 2B, ASME B18.2.2 Size: 1-5/8" x 11-7/8" with Xylan 1070 Coating 288 pcs.