Size Range：2″ through 8″ Material：Carbon steel Finish：Zinc plated, other finish available upon request Service： ● Recommend for suspension of non-insulated stationary pipe line ● Manufactured to use the min. rod size permitted by NFPA for fire sprinkler pipe line Approvals： ● Complies with Federal Specification A-A-1192A (Type 10) WW-H-171-E (Type 10) and MSS-SP-69 (Type 10). ● FM approved & UL/ULC Listed