HSS2-SDS, 1.5 Stud Shoe With Screws, Reinforce Studs Notched Construction, Made For Use On Double 2 x Studs, Easy To Use Flanges Can Be Bent To 90 Degree During Installation & Then Bent Back For Fastening, Provide Tension Load Capacity As Well As Increased Compression Loads, Flared Flange Provides Greater Strength, Installs Over Pipe Up To 2-3/8" Outside Diameter, Install With 12-SDS 1/4 x 1-1/2 Screws.