Brand new 1/50 scale diecast models of CAT Caterpillar 621K Tractor Scraper and CAT Caterpillar D7 Track-Type Tractor with No. 70 Scraper Set "Evolution Series" die cast models by Diecast Masters. Brand new box. True-to-scale detail. Realistic metal tracks. Era-specific operators. Detailed interior exterior. Includes 76-page booklet. Officially licensed product. Detailed metal movable tracks. Realistic metal grab rails and handles. Manufacturers original unopened packaging. Period-accurate colors and decoration details. Made of diecast metal with some plastic parts. Dimensions of CAT Caterpillar 621K Scraper is approximately: L-12.5 W-2.875 H-3.25 inches. Dimensions of CAT Caterpillar No. 70 Scraper is approximately: L-8.25 W-2.625 H-2.125 inches. Evolution Series Packaging Evolution Series models are mounted on special bases and placed in quality flip-top packaging protected by a black outer sleeve. A full color booklet included with the models traces machine evolution in words and pi