This is a set of (4) 19.5" stainless steel wheel covers for the Freightliner MT45, M2 and FL series with 19.5" wheels, the "Lo Pro" model.
With any set of wheel covers, proper fit requires knowing the number of wheel lugs (studs) and hand holes in your wheel. This is the 6 LUG 2 HAND-HOLE WHEEL COVER set. These covers bolt on over your wheels with jam nuts and lug nut covers, not a ring. You get a special wrench for installation and complete instructions. Eay installation.
Shipping is for 48 states; Alaska, Hawaii, and Canada add $89 (we will call or email to add this to your total).