![Amazon.com: KOOTANS Forged Brass Reducing Hex Nipple, 1/4'' NPT Male x 1/8'' NPT Male Thread Adapter Brass Pipe Fitting Connector Couplings (Pack of 4) : Industrial & Scientific Amazon.com: KOOTANS Forged Brass Reducing Hex Nipple, 1/4'' NPT Male x 1/8'' NPT Male Thread Adapter Brass Pipe Fitting Connector Couplings (Pack of 4) : Industrial & Scientific](https://m.media-amazon.com/images/W/MEDIAX_792452-T2/images/I/7174j45bu-L.jpg)
Amazon.com: KOOTANS Forged Brass Reducing Hex Nipple, 1/4'' NPT Male x 1/8'' NPT Male Thread Adapter Brass Pipe Fitting Connector Couplings (Pack of 4) : Industrial & Scientific
![Amazon.com: NANYI 1/4 Inch Female to 1/8 Inch Male Stereo Headphone Adapter, Upgrade 6.35mm Jack Stereo Socket Female to 3.5mm Jack Stereo Plug Male for Headphone, Amp Adapte, Black 1-Pack : Electronics Amazon.com: NANYI 1/4 Inch Female to 1/8 Inch Male Stereo Headphone Adapter, Upgrade 6.35mm Jack Stereo Socket Female to 3.5mm Jack Stereo Plug Male for Headphone, Amp Adapte, Black 1-Pack : Electronics](https://m.media-amazon.com/images/W/MEDIAX_792452-T2/images/I/51zhhnR87GL.jpg)
Amazon.com: NANYI 1/4 Inch Female to 1/8 Inch Male Stereo Headphone Adapter, Upgrade 6.35mm Jack Stereo Socket Female to 3.5mm Jack Stereo Plug Male for Headphone, Amp Adapte, Black 1-Pack : Electronics
![Amazon.com: Cable Matters 5-Pack 1/4 to 1/8 Headphone Adapter, 6.35mm to 3.5mm Adapter Male to Female, Gold Plated Stereo Headphone 3.5mm to 1/4 Adapter : Everything Else Amazon.com: Cable Matters 5-Pack 1/4 to 1/8 Headphone Adapter, 6.35mm to 3.5mm Adapter Male to Female, Gold Plated Stereo Headphone 3.5mm to 1/4 Adapter : Everything Else](https://m.media-amazon.com/images/W/MEDIAX_792452-T2/images/I/61cuwQa1huL._AC_UF894,1000_QL80_.jpg)
Amazon.com: Cable Matters 5-Pack 1/4 to 1/8 Headphone Adapter, 6.35mm to 3.5mm Adapter Male to Female, Gold Plated Stereo Headphone 3.5mm to 1/4 Adapter : Everything Else
![Proline Series 3/8-in x 1/4-in Compression Adapter Fitting in the Brass Fittings department at Lowes.com Proline Series 3/8-in x 1/4-in Compression Adapter Fitting in the Brass Fittings department at Lowes.com](https://mobileimages.lowes.com/productimages/76133804-d8bf-4570-831c-e1f96d981431/63181289.jpg?size=pdhism)
Proline Series 3/8-in x 1/4-in Compression Adapter Fitting in the Brass Fittings department at Lowes.com
![Value Collection - Grease Fitting Adapter: 1/4-28 Male NPT, 1/8″ Female NPT - 61833844 - MSC Industrial Supply Value Collection - Grease Fitting Adapter: 1/4-28 Male NPT, 1/8″ Female NPT - 61833844 - MSC Industrial Supply](https://cdn.mscdirect.com/global/images/ProductImages/6183384-24.jpg)
Value Collection - Grease Fitting Adapter: 1/4-28 Male NPT, 1/8″ Female NPT - 61833844 - MSC Industrial Supply
![Amazon.com: JOMLEY 1/8 to 1/4 Stereo Cable, 1/4 Mono to 3.5mm Stereo Adapter Cable, 1/4 inch TS Mono to 1/8 inch TRS Stereo Interconnect Audio Adapter Cord - 3.3 ft : Electronics Amazon.com: JOMLEY 1/8 to 1/4 Stereo Cable, 1/4 Mono to 3.5mm Stereo Adapter Cable, 1/4 inch TS Mono to 1/8 inch TRS Stereo Interconnect Audio Adapter Cord - 3.3 ft : Electronics](https://m.media-amazon.com/images/W/MEDIAX_792452-T2/images/I/61TPgv5A01L.jpg)
Amazon.com: JOMLEY 1/8 to 1/4 Stereo Cable, 1/4 Mono to 3.5mm Stereo Adapter Cable, 1/4 inch TS Mono to 1/8 inch TRS Stereo Interconnect Audio Adapter Cord - 3.3 ft : Electronics
![LTWFITTING 1/4 in. O.D. Comp x 1/8 in. MIP Brass Compression Adapter Fitting (5-Pack) HF684205 - The Home Depot LTWFITTING 1/4 in. O.D. Comp x 1/8 in. MIP Brass Compression Adapter Fitting (5-Pack) HF684205 - The Home Depot](https://images.thdstatic.com/productImages/5a12e0d6-903c-4747-9e3f-45fdc28067aa/svn/brass-ltwfitting-brass-fittings-hf684205-64_600.jpg)