POWERTEC 70138 2-1/2-Inch to 1-1/2-Inch Reducer - - Amazon.com
DC 12V 2 Amp Power Adapter
Cantex 2-1/2 in. Male Terminal Adapter R5140109 - The Home Depot
MagSafe to MagSafe 2 Converter - Apple
Amazon.com: OREI 2 in 1 USA to Israel Travel Adapter Plug (Type H) - 4 Pack, Black : Electronics
3/8" to 1/4" 1/2 inch Drive Ratchet Converter Socket Adapter Reducer Air ImpYEUS | eBay
Type 1 Car to Type 2 Cable attached Station - Cable adapter
Husky 1/2 in. Female to 3/8 in. Male Drive Adapter HADPTR1238 - The Home Depot
Exhaust Adapter: 2 1/2" Inside Diameter, 3" Outside Diameter, 4" Long 548583: Advance Auto Parts
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
Hitch Adapter - 2" Adapter for 1-1/4" Hitches
CRAFTSMAN 3/8-in to 1/2-in Standard Socket Adapter in the Socket Adapters department at Lowes.com