1-1/8" to 1" Headtube Headset Reducer / Adapter 1.125" to 1"
Williams Sound 1/8" Stereo Jack to 1/8" Mono Plug Adapter ADP
Bsp-npt Adapter 1/8" Male Bspt To 1/4" Female Npt Brass Pipe Fitting Euro To Us Pressure Gauge Adapter - Pipe Fittings - AliExpress
LTWFITTING 1/4 in. O.D. Comp x 1/8 in. MIP Brass Compression Adapter Fitting (5-Pack) HF684205 - The Home Depot
Origin8 Threadless Quill Adapter converts 1-inch threaded to 1-1/8 thr – The Bikesmiths
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 (3.5mm to 1/4 Adapter, 6.35mm to 3.5mm Adapter) : Everything Else
M6x1 (m) to 1/8" NPT (f) Adapter for Grease Fittings – LockNLube
1/4" to 1/8" stereo adapter - Audeze LLC
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
RPS Lighting Female 1/8" Mini to Male 1/4" Mono Adapter RS-8610