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Alumicolor Beam Compass Rule
Solves the problem of making perfect large circles up to 36 in diameter. This beam compass attaches to thin profile yardsticks and automatically shows figures for the radius, circumference, and area of any circle in inches or centimeters. Makes perfect large circles up to 36 inches in diameter Allows precise measurement Attaches to thin profile yardsticks and automatically shows figures for the radius circumference and area of any circle in inches or centimeters Manufacturer Alumicolor, Brand Alumicolor, Weight 2.39 ounces, Dimensions 22.5\ L x 0.12\ W, model number Is Discontinued No, Color Silver, s 1, Size 18 Inch, Manufacturer Part Available January 29, 2009

Price is $23.00

Price: $23.07