Amazon.com: Megairon 1/2" Male NPT to 1/4" Female NPT Female Reducing/Reducer Bushing Pipe Fitting,Adapter,Stainless Steel SS 304 Hex Bushing : Industrial & Scientific
2" to 1-1/4" Hitch Reducer | Discount Ramps
Hitch Adapter - 2" Adapter for 1-1/4" Hitches
Amazon.com: FasParts 1/2" Female NPT FPT FIP to 1/4" Male MPT MIP Brass Pipe Adaptor Fitting Fuel/Air/Water/Boat/Gas/Oil WOG Military Grade : Industrial & Scientific
M14 Female To 1/2 Inch 1/4 Inch M10*1 Male Pressure Gauge Fittings,m20 Female To 1/2 Inch 1/4 Inch Male Pressure Gauge Adapter - Pipe Fittings - AliExpress
LTWFITTING 1/2 in. FIP x 1/4 in. MIP Brass Pipe Adapter Fitting (5-Pack) HF1028405 - The Home Depot
Boeray 2pcs 1/2 Inch NPT Male to 1/4 Inch NPT Female Reducer Brass Pipe Hose Tube Fitting Reducing Hex Head Bushing Adapter Convert - - Amazon.com
4pcs 1/4 3/8 1/2 Drive Socket Adapter Converter Reducer Air Impact Socket Wrench Adapter Hand Tools Set Drive Socket Adapter - Wrench - AliExpress
Threading Adapter, NPT 1/2 Female to G 1/4 Male
Amazon.com: 1/2” to 1/4" Reducing Coupling Brass Pipe Fitting NPT Adapter Male Thread : Industrial & Scientific
Rockler Dust Port Adapter, 1-1/4'' Vacuum Wand to 2-1/4'' Port | Rockler Woodworking and Hardware