Grid Strainer Lavatory Drain without Overflow Holes - Exposed Installation • 19 hole grid strainer lavatory sink drain • Without overflow holes • Fits 1-1/2 in. opening with 1-1/4 in. tailpiece • Fully finished for exposed installations • Fits sinks 1-1/4 in. to 1-7/8 in. thick • Use with D410SP mounting spacer ring to install on thin sinks • Brass construction • Do not use plumber"s putty for installation