Powers Fasteners' Power-Stud+ SD1 Wedge Anchor is now ICC-ES code listed for cracked and uncracked concrete. The Power-Stud+ SD1 is a fully threaded, torque-controlled wedge expansion anchor. Suitable base materials include normal weight concrete, structural sand-lightweight concrete and concrete over metal deck. The anchor is manufactured with a zinc plated carbon steel body and expansion clip. Nut and washer are included.