Amazon.com: Chrome Plated Universal Tub Dain Stopper, Hidrop Pop Up Bath Drain Tip Toe Bathtub Drain Stopper,Conversion Kit Assembly, Replaces Lift and Turn, Tip-Toe and Trip Lever drains for Tub, EZ Install :
How to Replace Bathtub Drain Stopper With a Lift-and-Turn Drain (DIY)
KOHLER K-7161-AF-2BZ ClearFlo 1-1/2" adjustable pop-up drain with abov – Kohler Signature Stores by General Plumbing Supply