Electric Martini
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ALV085-1 + ALV085-2
About These Drafting Table AccessoriesEach set of these fine drafting scales for the Alvin Track Drafting Machine includes a 12-inch rule and an 18-inch rule both featuring a slightly angled acrylic edge to prevent smears. If you purchased the Alvin Track Drafting Machine one set of your choice is included. Choose a second from among these options:Full size to 1/16-inch; half size to 1/16-inch; Full divisions1/8-inch to 1-foot; 1/8-inch to 1-foot; Open divisions1-inch and 1/2-inch to 1-foot; 1/4-inch and 1/8-inch to 1-foot; Open divisionsFull size to 1/32-inch; Half size to 1/50-inch; Full divisions