![3/8" NPT Female to 1/4" NPT Male Brass Pipe Adaptor/Adapter Straight Reducer/Reducing Coupling Male to Female: Pipe Fittings: Amazon.com: Industrial & Scientific 3/8" NPT Female to 1/4" NPT Male Brass Pipe Adaptor/Adapter Straight Reducer/Reducing Coupling Male to Female: Pipe Fittings: Amazon.com: Industrial & Scientific](https://m.media-amazon.com/images/I/51ckGjDcG9L._SX342_.jpg)
3/8" NPT Female to 1/4" NPT Male Brass Pipe Adaptor/Adapter Straight Reducer/Reducing Coupling Male to Female: Pipe Fittings: Amazon.com: Industrial & Scientific
SK PROFESSIONAL TOOLS Socket Adapter Set, Input Drive Size 1/4 in, 3/8 in, 1/2 in, Input Drive Shape Square - 12D255|4506 - Grainger
GRAINGER APPROVED Reducing Adapter: Brass, 3/8 in x 1/4 in Fitting Pipe Size, Female NPT x Male NPT, Reducer - 46M454|706120-0604 - Grainger
![4pcs/lot 1/4 3/8 1/2 Drive Socket Adapter Converter Reducer Air Impact Socket Wrench Adapter Hand Tools Set|Wrench| - AliExpress 4pcs/lot 1/4 3/8 1/2 Drive Socket Adapter Converter Reducer Air Impact Socket Wrench Adapter Hand Tools Set|Wrench| - AliExpress](https://ae01.alicdn.com/kf/H6b3cb118e4b34de18efacc6b7df3afbfz/4pcs-lot-1-4-3-8-1-2-Drive-Socket-Adapter-Converter-Reducer-Air-Impact-Socket.jpg_Q90.jpg_.webp)