Check the listing for details. WELLUP Black Bathtub Drain Tip Toe Tub Conversion Kit Assembly. Color: Black, Condition: New. Listed at 26.99 USD. Product Details STURDY QUALITY : This black bathtub drain conversion kit is made of solid brass, stainless steel material, this tub drain kit provides strength and sturdy quality for long time use. UNIVERSAL FIT: This matte black tub drain trim kit with thread adapter fits 1-3/8 inches or 1-1/2 inches tub drain waste as optional. EASY to USE: This bathtub drain kit is easy to push to open by hand, then push it to close the tub drain again. EASY to INSTALL: This black tub drain and overflow kit with 1-3/8 in. NPSM thread is suitable for bathtub drain system and 1-1/2 in. NPSM threaded adapter optional, you could install the Bathtub Drain Stopper easily and quickly.