You're buying the wheel lug parts for tractor-trailers pictured. Not exactly sure what these are for or the sizes, they are threaded on the outside and also the inside, look like a log extenders maybe to go between double wheel rims.
Dexstar 017-117-25 Trailer Wheel Grey 5 Lug On 4.50" Bolt Circle 15x6
Dexstar 017-118-25 Trailer Wheel Grey 6 Lug On 5.50" Bolt Circle 15x6
12 Ft 3-in-1 Wrap Set Air Line Hose Assemblies For Semi Truck Tractor Trailer
For Semi/Truck/Tractor/Trailer Air Line Hose w/Assemblies Wrap Kit 3-in-1 12Ft
12' 12FT 3-in-1 Wrap Set Air Line Hose Assemblies for Semi Truck Tractor Trailer
