Standard expandable anchor for concrete (stainless steel) that is not intended for cracking; ETA certified torque that uses impact wrench 14-A or 22-A and S-TB The hem and anchor pitch can be reduced to a small size. It can be installed with the actual product, so it is easy to install. 3 kinds of embedded depths for flexible use. ■ Attaches to concrete in outdoor and similar types of corrosion environments. ■Bracket and channel attachment ■Post and beam attachment