This screw-type drain plug is constructed of black nylon and features an "O" ring for positive sealing. Mounts in a 1" dia. hole with 2 #8 countersunk stainless steel screws (not incl.). Back side of mounting flange has a groove to hold sealant for positive water proof mounting. Mounting flange is approximately. 1-1/2" x 2". Quick and simple to install.

 PROP 65 WARNING: This product may contain chemicals known to the State of California to cause cancer and birth defects or other reproductive harm. Wash hands after handling. For more information, visit www.P65Warnings.ca.gov