Aircraft Tie Down Anchor An advanced 3-pin anchoring system, unbelievably versatile, unmatched strength; Patented design, Solid construction; Designed, Tested and Assembled by Smart-Anchor in the USA. The package includes three Steel-Cast Anchor Hubs, nine 3/8" dia - 12" long 1045 Steel Spikes, three 10' long diamond-braid Nylon Ropes, one 16 oz Hammer, a black Carrying Bag. 120 money back policy; Life time warranty!