1:64 Scale 3D Printed Semi Truck Logging Headache Rack V1 w/ Window DCP Speccast. Works for any 1:64 scale semi trucks. Diecast Promotions, Ertl, Speccast, First Gear, Neo, etc. Measurements are roughly 40.5mm from base to top of ears, 38.5mm wide and 2mm thick. Base is roughly 14.5mm long and 13.5mm wide. Printed with standard grey resin. May require some filing or sanding before use. Combined shipping applied at checkout. Truck not included. --Proudly designed and made in the USA!--