Pop-Up Lavatory Drain with Overflow Holes - Not Exposed • Pop-up lavatory sink drain with strap, horizontal rod, and lift rod • With overflow holes • Fits 1-1/2 in. opening with 1-1/4 in. tailpiece • Unfinished body for below counter installations • Fits 1-1/2 in. opening with 1-1/4 in. tailpiece • Use with D410SP mounting spacer ring to install on thin sinks • Brass construction • Do not use plumber"s putty for installation