Sets of full thread stud bolts with double hex. nuts, black finish Material: bolt: ASTM A193 B7 nut: ASTM A194 2H I U 1/2" x H: 12.7 x 65 Quantity: 1500 II U 1/2" x H: 12.7 x 70 Quantity: 2000 III U 1/2" x H: 12.7 x 75 Quantity: 2000 IV U 1/2" x H: 12.7 x 80 Quantity: 2000 V U 5/8" x H: 15.9 x 70 Quantity: 500 VI U 5/8" x H: 15.9 x 80 Quantity: 1000 VII U 5/8" x H: 15.9 x 90 Quantity: 500 VIII U 5/8" x H: 15.9 x 100 Quantity: 1500 IX U 5/8" x H: 15.9 x 110 Quantity: 500 total: 11 500 Sets