HSS2SDS, 15 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 238 Outside Diameter, Install With 12SDS 14 x 112 Screws