Threading Adapter, NPT 1/8 Male to G 1/4 Female, Stainless Steel
316 Stainless Steel, 1/4 in x 1/8 in Fitting Pipe Size, Reducing Adapter - 1DFX8|4-2 RA-SS - Grainger
Adapter 1/4" Female to 3/8" Female – Modern Studio Equipment.
Aluminum Adapter, 1/4" Male NPT to 1/2" Female NPT | Air & Hydraulic Equipment,Inc.
1/8" Female NPT X 1/4" Push Connect Adapter - John Guest - Bulk Reef Supply
Amazon.com: VCE 1/4" to 1/8" Adapter, 3.5mm 1/8 inch Male to 6.35mm 1/4 inch Female Audio Jack Gold Plated Adapter for Amplifiers, Guitar, Home Theater Devices, Laptop, Headphones - 8 inch : Electronics
Amazon.com: JOMLEY 1/4 to 3.5mm Adapter, 1/8"(3.5mm) Female to 1/4"(6.35mm) Male Adapter, Quarter inch to 1/8 inch Stereo Headphone Adapter, Amp Adapter - 2 Pack : Electronics