NIBCO 1-1/2 in. PVC DWV Hub x Slip-Joint Trap Adapter C48017HD112 - The Home Depot
1"Female x 1-1/2"Male Square Drive Adapter | Fastenal
Amazon.com: GESHATEN 1/2” G Thread (BSP) Female to 1/2” NPT Male Connector, Brass BSP to NPT Adapter 1/2 Inch, Industrial Metal Brass G Thread to Pipe Fittings Connect (2 Pack) : Industrial & Scientific
uxcell 3/8" Drive (Female) x 1/2" (Male) Impact Socket Adapter for Use with Impact Wrenches, Breaker Bars, Ratchets, CR-MO Steel - - Amazon.com