Comparison : Item # EN-9-HD-2H, 7/8 EYE NUT, STYLE B, 7/8-9 UNC-2B, C1045 (ASTM A194, GRADE 2H)
Item # EN-10-HD-2H, 1 EYE NUT, STYLE B, 1-8 UNC-2B, C1045 (ASTM A194 GRADE 2H)
Item # EN-12-HD-2H, 1-1/4 EYE NUT, STYLE B, 1-1/4-7 UNC-2B, C1045 (ASTM A194, GRADE 2H)
Item # EN-14-HD-2H, 1-1/2 EYE NUT, STYLE B, 1-1/2-6 UNC-2B, C1045 (ASTM A194, GRADE 2H)