Force 80942 Socket Adaptor 1/2" - 1/4" - Kepmar.eu
Everbilt 1/4 in. OD Compression x 1/2 in. MIP Brass Adapter Fitting 800789 - The Home Depot
Charlotte Pipe 1-1/2 in. x 1-1/4 in. PVC Schedule 40 MPT x S Reducer Male Adapter PVC 02110 1200HD - The Home Depot
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
1/2" Hose ID x 1/4" Hose ID Reducer Barb Mender/Splicer/Joiner/Union Fitting Brass Tubing Hose Adapter/Coupler 2pcs: Amazon.com: Industrial & Scientific
1/2" Square Drive to 3/4" Socket Increasing Flat Adaptors | BAHCO | Bahco International
1/4 inch NPT Male to 1/2 inch NPT Female Brass Pipe Fitting Reducer Adapter | Shopee Malaysia
Amazon.co.jp: Adapter Screw, 3/8" to 1/4" Male Adapter Camera Screw Tripod Mount Converter Double Male Screw Adapter : Electronics
Amazon.co.jp: zigwin R134 a Refrigerant Tank Adapter 1/2" Acme Female Fitting 1/4" SAE Male Fittings , 1pcs : Automotive
Kobalt NPT Brass Bushing Adapter 1/2-in (M) x 1/4-in (F) in the Air Compressor Fittings department at Lowes.com
CRAFTSMAN 3/8-in to 1/2-in Standard Socket Adapter in the Socket Adapters department at Lowes.com