GRADE 100 ALLOY CHAIN SLINGS WITH APPROXIMATELY 25 HIGHER STRENGTH THAN GRADE 80 GRADE 100 CHAIN IS USED PRIMARILY AS A SLING COMPONENT FOR OVERHEAD LIFTING. GRADE 100 CHAIN CAN BE USED FOR ALL OF THE SAME APPLICATIONS AS GRADES 30 THROUGH 80. MADE IN AMERICA CM HERC-ALLOY® PRODUCTS ARE MADE OF SUPERIOR TRIPLE ALLOY STEEL THAT PROVIDES THE BEST STRENGTH-TO-WEIGHT PERFORMANCE IN THE INDUSTRY. HERC-ALLOY® 100 CHAIN MEETS ASTM A973 STANDARDS WHILE COMPONENTS SUCH AS HOOKS AND HAMMERLOKS® MEET ASTM A952 STANDARDS. EACH SLING IS INDIVIDUALLY SERIALIZED FOR TRACEABILITY. PROOF TEST CERTIFICATES ARE PROVIDED WITH EACH SLING. MEETS NACM ASME AND OSHA STANDARDS FOR OVERHEAD LIFTING.