Drop-in anchor setting tool must be purchased separately For use in pipe hanging, mounting valve and pipe, machinery mounting, anchoring shelf, and insulation applications, in concrete materials or solid concrete base materials. Coil thread anchors are for forming. Meet U.S. Government G.S.A. FF-S-325 Group VIII, Type 1 standards, except Redhead meets A-A-55614 standard. UL and FM Listed. Note: For load capacities in structural lightweight aggregate concrete, refer to ICBO Report No. 1372. Safe working loads for single installations under static loading should not exceed 25% of the ultimate load conditions.