Watco Manufacturing WATCO 901-PF-PVC-CP Innovator PRESFLO PVC Half KIT Chrome Plated Strainer body and drain elbow thread size: 1-1/2-Inch - 11-1/2 NPSM (course thread), 1.865-Inch outside thread diameter, 11.5 threads per Inch Solvent-weld assembly Eliminates all screws Eliminates dual inventory of one- and two-hole over-flow plates Does not include tee or pipe