B&K 3/4-in x 1/2-in Threaded Female Hose x Mip Adapter Fitting in the Brass Fittings department at Lowes.com
Milwaukee SHOCKWAVE 1/2 in. Square x 1/4 in. Hex Impact Adaptor 48-03-4410
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
Charlotte Pipe 1-1/2 in. x 1-1/4 in. PVC Schedule 40 MPT x S Reducer Male Adapter PVC 02110 1200HD