Simpson PSLV3-125125 3/8" X 1-1/4" Coarse Threaded Stud W/ 1-1/4" Shank - Zinc, Pkg 100The PSLV3 powder actuated fastener features a 1 1 4" threaded 3 8"16 stud with a 0. 205" diameter shank. It is available in smooth and knurled versions for attaching building materials to concrete and steel. Used ideally for anchoring component and fixtures to concrete, these studs are compatible with most PAT tools which reduces questionability when making your purchase. All PSLV3 fastener sizes are code listed per ICC ES ESR 2138. PSLV3 125125 is FM