A Hand-Held Portable Hardness Tester, Models GYZJ934-1, GYZJ935, GYZJ936 meets astm d2583; mil-p-17549-c (ships) The Impressor is a convenient tool for testing the hardness of aluminum, aluminum alloys, copper, brass and other materials including plastics and fiberglass. The instrument is designed for use on fabricated parts and assemblies as well as on raw stock.
As American as apple pie and attracting thousands and thousands of bargain hunting road trippers each year, the World's Longest Yard Sale starts on the first Thursday in August and continues four days through the weekend, ending on Sunday.
The northern terminus is at Interstate 75 (I-75) near Grayling, Michigan. Since 1987, it has been the core of the annual World's Longest Yard Sale, also known as the Highway 127 Corridor Sale (127 Yard Sale), which now stretches 690 miles (1,110 km) from Addison, Michigan, to Gadsden, Alabama.