Westbrass 1-1/4" NPSM (1-5/8"-16 UNC-2A) Fine Thread Twist & Close Bath Drain Plug, Polished Chrome, 79438CP-F

• Lift and twist the stopper knob to let water drain, or twist and push down to restrict

• 1-1/4 in. NPSM (Also called 1-3/8 in. NPSM) which measures 1-5/8 in. OD with a thread pitch of 16 threads per inch (1-5/8-16 UNC-2A)

• Fits fine thread tub drain shoe, or match with adapter bushing to fit coarse thread tub drain shoe (not included - consider Westbrass 792BB)

• Classic and versatile polished chrome finish for lasting durability

• Brass and heavy-duty metal construction