Grid Strainer Lavatory Drain with Overflow Holes - Not Exposed Installation• 19 hole grid strainer lavatory sink drain• With overflow holes• Fits 1-1/2 in. opening with 1-1/4 in. tailpiece• Unfinished body for below counter 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