Metal

SIDE 1 Heavy Hex Inch - SIDE 2 SAE Inch

SIDE 1 Heavy Hex Metric - SIDE 2 SAE Metric

SIDE 1 - Heavy Hex Inch / SIDE 2 - Heavy Hex Inch

Thread, Nut, and Stud Bolt size for Heavy Hex Sizes - Metric

SIDE 1 - SAE Inch / SIDE 2 - SAE Inch

Thread, Nut, and Bolt size for SAE and Common Sizes - Metric

SIDE 1 - Heavy Hex Inch - SIDE 2 - Heavy Hex Metric

Thread, Nut, and Stud Bolt Size for Heavy Hex - Inch

High Heat Heavy Hex Gauge - Inch & Metric - Bolt Size to 4" and Nut Size to 6-1/8"

SIDE 1 - Heavy Hex Metric - SIDE 2 - Heavy Hex Metric

High Heat Heavy Hex Gauge - Inch & Metric - Bolt Size to 3" and Nut Size to 4-5/8" - Blue

Thread, Nut, and Bolt size for SAE and Common Sizes - Inch

SIDE 1 - SAE Metric / SIDE 2-SAE Metric